21317506

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80141}}^1$

素因数の和:80169

約数の個数: 16

約数和(自身を含む): 38468160

約数和(自身を除く): 17150654

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80141, 160282, 560987, 1121974, 1522679, 3045358, 10658753, 21317506]

約数ペア:

[(1, 21317506), (2, 10658753), (7, 3045358), (14, 1522679), (19, 1121974), (38, 560987), (133, 160282), (266, 80141)]