21074802

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 49603680

約数和(自身を除く): 28528878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 147, 194, 291, 294, 582, 679, 739, 1358, 1478, 2037, 2217, 4074, 4434, 4753, 5173, 9506, 10346, 14259, 15519, 28518, 31038, 36211, 71683, 72422, 108633, 143366, 215049, 217266, 430098, 501781, 1003562, 1505343, 3010686, 3512467, 7024934, 10537401, 21074802]

約数ペア:

[(1, 21074802), (2, 10537401), (3, 7024934), (6, 3512467), (7, 3010686), (14, 1505343), (21, 1003562), (42, 501781), (49, 430098), (97, 217266), (98, 215049), (147, 143366), (194, 108633), (291, 72422), (294, 71683), (582, 36211), (679, 31038), (739, 28518), (1358, 15519), (1478, 14259), (2037, 10346), (2217, 9506), (4074, 5173), (4434, 4753)]