21255300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 77182560

約数和(自身を除く): 55927260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 25, 30, 33, 36, 38, 44, 45, 50, 55, 57, 60, 66, 75, 76, 90, 95, 99, 100, 110, 113, 114, 132, 150, 165, 171, 180, 190, 198, 209, 220, 225, 226, 228, 275, 285, 300, 330, 339, 342, 380, 396, 418, 450, 452, 475, 495, 550, 565, 570, 627, 660, 678, 684, 825, 836, 855, 900, 950, 990, 1017, 1045, 1100, 1130, 1140, 1243, 1254, 1356, 1425, 1650, 1695, 1710, 1881, 1900, 1980, 2034, 2090, 2147, 2260, 2475, 2486, 2508, 2825, 2850, 3135, 3300, 3390, 3420, 3729, 3762, 4068, 4180, 4275, 4294, 4950, 4972, 5085, 5225, 5650, 5700, 6215, 6270, 6441, 6780, 7458, 7524, 8475, 8550, 8588, 9405, 9900, 10170, 10450, 10735, 11187, 11300, 12430, 12540, 12882, 14916, 15675, 16950, 17100, 18645, 18810, 19323, 20340, 20900, 21470, 22374, 23617, 24860, 25425, 25764, 31075, 31350, 32205, 33900, 37290, 37620, 38646, 42940, 44748, 47025, 47234, 50850, 53675, 55935, 62150, 62700, 64410, 70851, 74580, 77292, 93225, 94050, 94468, 96615, 101700, 107350, 111870, 118085, 124300, 128820, 141702, 161025, 186450, 188100, 193230, 212553, 214700, 223740, 236170, 279675, 283404, 322050, 354255, 372900, 386460, 425106, 472340, 483075, 559350, 590425, 644100, 708510, 850212, 966150, 1062765, 1118700, 1180850, 1417020, 1771275, 1932300, 2125530, 2361700, 3542550, 4251060, 5313825, 7085100, 10627650, 21255300]

約数ペア:

[(1, 21255300), (2, 10627650), (3, 7085100), (4, 5313825), (5, 4251060), (6, 3542550), (9, 2361700), (10, 2125530), (11, 1932300), (12, 1771275), (15, 1417020), (18, 1180850), (19, 1118700), (20, 1062765), (22, 966150), (25, 850212), (30, 708510), (33, 644100), (36, 590425), (38, 559350), (44, 483075), (45, 472340), (50, 425106), (55, 386460), (57, 372900), (60, 354255), (66, 322050), (75, 283404), (76, 279675), (90, 236170), (95, 223740), (99, 214700), (100, 212553), (110, 193230), (113, 188100), (114, 186450), (132, 161025), (150, 141702), (165, 128820), (171, 124300), (180, 118085), (190, 111870), (198, 107350), (209, 101700), (220, 96615), (225, 94468), (226, 94050), (228, 93225), (275, 77292), (285, 74580), (300, 70851), (330, 64410), (339, 62700), (342, 62150), (380, 55935), (396, 53675), (418, 50850), (450, 47234), (452, 47025), (475, 44748), (495, 42940), (550, 38646), (565, 37620), (570, 37290), (627, 33900), (660, 32205), (678, 31350), (684, 31075), (825, 25764), (836, 25425), (855, 24860), (900, 23617), (950, 22374), (990, 21470), (1017, 20900), (1045, 20340), (1100, 19323), (1130, 18810), (1140, 18645), (1243, 17100), (1254, 16950), (1356, 15675), (1425, 14916), (1650, 12882), (1695, 12540), (1710, 12430), (1881, 11300), (1900, 11187), (1980, 10735), (2034, 10450), (2090, 10170), (2147, 9900), (2260, 9405), (2475, 8588), (2486, 8550), (2508, 8475), (2825, 7524), (2850, 7458), (3135, 6780), (3300, 6441), (3390, 6270), (3420, 6215), (3729, 5700), (3762, 5650), (4068, 5225), (4180, 5085), (4275, 4972), (4294, 4950)]