21512104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 42688800

約数和(自身を除く): 21176696

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 307, 461, 614, 922, 1228, 1844, 2456, 3688, 5833, 8759, 11666, 17518, 23332, 35036, 46664, 70072, 141527, 283054, 566108, 1132216, 2689013, 5378026, 10756052, 21512104]

約数ペア:

[(1, 21512104), (2, 10756052), (4, 5378026), (8, 2689013), (19, 1132216), (38, 566108), (76, 283054), (152, 141527), (307, 70072), (461, 46664), (614, 35036), (922, 23332), (1228, 17518), (1844, 11666), (2456, 8759), (3688, 5833)]