21758100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 77578368

約数和(自身を除く): 55820268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 797, 910, 975, 1050, 1092, 1300, 1365, 1594, 1820, 1950, 2100, 2275, 2391, 2730, 3188, 3900, 3985, 4550, 4782, 5460, 5579, 6825, 7970, 9100, 9564, 10361, 11158, 11955, 13650, 15940, 16737, 19925, 20722, 22316, 23910, 27300, 27895, 31083, 33474, 39850, 41444, 47820, 51805, 55790, 59775, 62166, 66948, 72527, 79700, 83685, 103610, 111580, 119550, 124332, 139475, 145054, 155415, 167370, 207220, 217581, 239100, 259025, 278950, 290108, 310830, 334740, 362635, 418425, 435162, 518050, 557900, 621660, 725270, 777075, 836850, 870324, 1036100, 1087905, 1450540, 1554150, 1673700, 1813175, 2175810, 3108300, 3626350, 4351620, 5439525, 7252700, 10879050, 21758100]

約数ペア:

[(1, 21758100), (2, 10879050), (3, 7252700), (4, 5439525), (5, 4351620), (6, 3626350), (7, 3108300), (10, 2175810), (12, 1813175), (13, 1673700), (14, 1554150), (15, 1450540), (20, 1087905), (21, 1036100), (25, 870324), (26, 836850), (28, 777075), (30, 725270), (35, 621660), (39, 557900), (42, 518050), (50, 435162), (52, 418425), (60, 362635), (65, 334740), (70, 310830), (75, 290108), (78, 278950), (84, 259025), (91, 239100), (100, 217581), (105, 207220), (130, 167370), (140, 155415), (150, 145054), (156, 139475), (175, 124332), (182, 119550), (195, 111580), (210, 103610), (260, 83685), (273, 79700), (300, 72527), (325, 66948), (350, 62166), (364, 59775), (390, 55790), (420, 51805), (455, 47820), (525, 41444), (546, 39850), (650, 33474), (700, 31083), (780, 27895), (797, 27300), (910, 23910), (975, 22316), (1050, 20722), (1092, 19925), (1300, 16737), (1365, 15940), (1594, 13650), (1820, 11955), (1950, 11158), (2100, 10361), (2275, 9564), (2391, 9100), (2730, 7970), (3188, 6825), (3900, 5579), (3985, 5460), (4550, 4782)]