21266700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 288

約数和(自身を含む): 81661440

約数和(自身を除く): 60394740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 25, 26, 28, 30, 35, 38, 39, 41, 42, 50, 52, 57, 60, 65, 70, 75, 76, 78, 82, 84, 91, 95, 100, 105, 114, 123, 130, 133, 140, 150, 156, 164, 175, 182, 190, 195, 205, 210, 228, 246, 247, 260, 266, 273, 285, 287, 300, 325, 350, 364, 380, 390, 399, 410, 420, 455, 475, 492, 494, 525, 532, 533, 546, 570, 574, 615, 650, 665, 700, 741, 779, 780, 798, 820, 861, 910, 950, 975, 988, 1025, 1050, 1066, 1092, 1140, 1148, 1230, 1235, 1300, 1330, 1365, 1425, 1435, 1482, 1558, 1596, 1599, 1722, 1729, 1820, 1900, 1950, 1995, 2050, 2100, 2132, 2275, 2337, 2460, 2470, 2660, 2665, 2730, 2850, 2870, 2964, 3075, 3116, 3198, 3325, 3444, 3458, 3705, 3731, 3895, 3900, 3990, 4100, 4305, 4550, 4674, 4940, 5187, 5330, 5453, 5460, 5700, 5740, 6150, 6175, 6396, 6650, 6825, 6916, 7175, 7410, 7462, 7790, 7980, 7995, 8610, 8645, 9100, 9348, 9975, 10127, 10374, 10660, 10906, 11193, 11685, 12300, 12350, 13300, 13325, 13650, 14350, 14820, 14924, 15580, 15990, 16359, 17220, 17290, 18525, 18655, 19475, 19950, 20254, 20748, 21525, 21812, 22386, 23370, 24700, 25935, 26650, 27265, 27300, 28700, 30381, 31980, 32718, 34580, 37050, 37310, 38950, 39900, 39975, 40508, 43050, 43225, 44772, 46740, 50635, 51870, 53300, 54530, 55965, 58425, 60762, 65436, 70889, 74100, 74620, 77900, 79950, 81795, 86100, 86450, 93275, 101270, 103740, 109060, 111930, 116850, 121524, 129675, 136325, 141778, 151905, 159900, 163590, 172900, 186550, 202540, 212667, 223860, 233700, 253175, 259350, 272650, 279825, 283556, 303810, 327180, 354445, 373100, 408975, 425334, 506350, 518700, 545300, 559650, 607620, 708890, 759525, 817950, 850668, 1012700, 1063335, 1119300, 1417780, 1519050, 1635900, 1772225, 2126670, 3038100, 3544450, 4253340, 5316675, 7088900, 10633350, 21266700]

約数ペア:

[(1, 21266700), (2, 10633350), (3, 7088900), (4, 5316675), (5, 4253340), (6, 3544450), (7, 3038100), (10, 2126670), (12, 1772225), (13, 1635900), (14, 1519050), (15, 1417780), (19, 1119300), (20, 1063335), (21, 1012700), (25, 850668), (26, 817950), (28, 759525), (30, 708890), (35, 607620), (38, 559650), (39, 545300), (41, 518700), (42, 506350), (50, 425334), (52, 408975), (57, 373100), (60, 354445), (65, 327180), (70, 303810), (75, 283556), (76, 279825), (78, 272650), (82, 259350), (84, 253175), (91, 233700), (95, 223860), (100, 212667), (105, 202540), (114, 186550), (123, 172900), (130, 163590), (133, 159900), (140, 151905), (150, 141778), (156, 136325), (164, 129675), (175, 121524), (182, 116850), (190, 111930), (195, 109060), (205, 103740), (210, 101270), (228, 93275), (246, 86450), (247, 86100), (260, 81795), (266, 79950), (273, 77900), (285, 74620), (287, 74100), (300, 70889), (325, 65436), (350, 60762), (364, 58425), (380, 55965), (390, 54530), (399, 53300), (410, 51870), (420, 50635), (455, 46740), (475, 44772), (492, 43225), (494, 43050), (525, 40508), (532, 39975), (533, 39900), (546, 38950), (570, 37310), (574, 37050), (615, 34580), (650, 32718), (665, 31980), (700, 30381), (741, 28700), (779, 27300), (780, 27265), (798, 26650), (820, 25935), (861, 24700), (910, 23370), (950, 22386), (975, 21812), (988, 21525), (1025, 20748), (1050, 20254), (1066, 19950), (1092, 19475), (1140, 18655), (1148, 18525), (1230, 17290), (1235, 17220), (1300, 16359), (1330, 15990), (1365, 15580), (1425, 14924), (1435, 14820), (1482, 14350), (1558, 13650), (1596, 13325), (1599, 13300), (1722, 12350), (1729, 12300), (1820, 11685), (1900, 11193), (1950, 10906), (1995, 10660), (2050, 10374), (2100, 10127), (2132, 9975), (2275, 9348), (2337, 9100), (2460, 8645), (2470, 8610), (2660, 7995), (2665, 7980), (2730, 7790), (2850, 7462), (2870, 7410), (2964, 7175), (3075, 6916), (3116, 6825), (3198, 6650), (3325, 6396), (3444, 6175), (3458, 6150), (3705, 5740), (3731, 5700), (3895, 5460), (3900, 5453), (3990, 5330), (4100, 5187), (4305, 4940), (4550, 4674)]