21937110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56249}}^1$

素因数の和:56272

約数の個数: 32

約数和(自身を含む): 56700000

約数和(自身を除く): 34762890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 56249, 112498, 168747, 281245, 337494, 562490, 731237, 843735, 1462474, 1687470, 2193711, 3656185, 4387422, 7312370, 10968555, 21937110]

約数ペア:

[(1, 21937110), (2, 10968555), (3, 7312370), (5, 4387422), (6, 3656185), (10, 2193711), (13, 1687470), (15, 1462474), (26, 843735), (30, 731237), (39, 562490), (65, 337494), (78, 281245), (130, 168747), (195, 112498), (390, 56249)]