21752220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 70737408

約数和(自身を除く): 48985188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 773, 804, 938, 1005, 1340, 1407, 1546, 1876, 2010, 2319, 2345, 2814, 3092, 3865, 4020, 4638, 4690, 5411, 5628, 7035, 7730, 9276, 9380, 10822, 11595, 14070, 15460, 16233, 21644, 23190, 27055, 28140, 32466, 46380, 51791, 54110, 64932, 81165, 103582, 108220, 155373, 162330, 207164, 258955, 310746, 324660, 362537, 517910, 621492, 725074, 776865, 1035820, 1087611, 1450148, 1553730, 1812685, 2175222, 3107460, 3625370, 4350444, 5438055, 7250740, 10876110, 21752220]

約数ペア:

[(1, 21752220), (2, 10876110), (3, 7250740), (4, 5438055), (5, 4350444), (6, 3625370), (7, 3107460), (10, 2175222), (12, 1812685), (14, 1553730), (15, 1450148), (20, 1087611), (21, 1035820), (28, 776865), (30, 725074), (35, 621492), (42, 517910), (60, 362537), (67, 324660), (70, 310746), (84, 258955), (105, 207164), (134, 162330), (140, 155373), (201, 108220), (210, 103582), (268, 81165), (335, 64932), (402, 54110), (420, 51791), (469, 46380), (670, 32466), (773, 28140), (804, 27055), (938, 23190), (1005, 21644), (1340, 16233), (1407, 15460), (1546, 14070), (1876, 11595), (2010, 10822), (2319, 9380), (2345, 9276), (2814, 7730), (3092, 7035), (3865, 5628), (4020, 5411), (4638, 4690)]