21415746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 27935934

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 67, 87, 134, 167, 174, 201, 319, 334, 402, 501, 638, 737, 957, 1002, 1474, 1837, 1914, 1943, 2211, 3674, 3886, 4422, 4843, 5511, 5829, 9686, 11022, 11189, 11658, 14529, 21373, 22378, 29058, 33567, 42746, 53273, 64119, 67134, 106546, 123079, 128238, 159819, 246158, 319638, 324481, 369237, 648962, 738474, 973443, 1946886, 3569291, 7138582, 10707873, 21415746]

約数ペア:

[(1, 21415746), (2, 10707873), (3, 7138582), (6, 3569291), (11, 1946886), (22, 973443), (29, 738474), (33, 648962), (58, 369237), (66, 324481), (67, 319638), (87, 246158), (134, 159819), (167, 128238), (174, 123079), (201, 106546), (319, 67134), (334, 64119), (402, 53273), (501, 42746), (638, 33567), (737, 29058), (957, 22378), (1002, 21373), (1474, 14529), (1837, 11658), (1914, 11189), (1943, 11022), (2211, 9686), (3674, 5829), (3886, 5511), (4422, 4843)]