21964506

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5711}}^1$

素因数の和:6357

約数の個数: 16

約数和(自身を含む): 44005248

約数和(自身を除く): 22040742

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5711, 11422, 17133, 34266, 3660751, 7321502, 10982253, 21964506]

約数ペア:

[(1, 21964506), (2, 10982253), (3, 7321502), (6, 3660751), (641, 34266), (1282, 17133), (1923, 11422), (3846, 5711)]