21031682

素因数分解:

$2^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{677}}^1$

素因数の和:1010

約数の個数: 24

約数和(自身を含む): 36868284

約数和(自身を除く): 15836602

約数列:

[1, 2, 7, 14, 49, 98, 317, 634, 677, 1354, 2219, 4438, 4739, 9478, 15533, 31066, 33173, 66346, 214609, 429218, 1502263, 3004526, 10515841, 21031682]

約数ペア:

[(1, 21031682), (2, 10515841), (7, 3004526), (14, 1502263), (49, 429218), (98, 214609), (317, 66346), (634, 33173), (677, 31066), (1354, 15533), (2219, 9478), (4438, 4739)]