21462686

素因数分解:

$2^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{563}}^1$

素因数の和:968

約数の個数: 24

約数和(自身を含む): 37613160

約数和(自身を除く): 16150474

約数列:

[1, 2, 7, 14, 49, 98, 389, 563, 778, 1126, 2723, 3941, 5446, 7882, 19061, 27587, 38122, 55174, 219007, 438014, 1533049, 3066098, 10731343, 21462686]

約数ペア:

[(1, 21462686), (2, 10731343), (7, 3066098), (14, 1533049), (49, 438014), (98, 219007), (389, 55174), (563, 38122), (778, 27587), (1126, 19061), (2723, 7882), (3941, 5446)]