21270802

素因数分解:

$2^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 16428398

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 307, 343, 614, 686, 707, 1414, 2149, 4298, 4949, 9898, 15043, 30086, 31007, 34643, 62014, 69286, 105301, 210602, 217049, 434098, 1519343, 3038686, 10635401, 21270802]

約数ペア:

[(1, 21270802), (2, 10635401), (7, 3038686), (14, 1519343), (49, 434098), (98, 217049), (101, 210602), (202, 105301), (307, 69286), (343, 62014), (614, 34643), (686, 31007), (707, 30086), (1414, 15043), (2149, 9898), (4298, 4949)]