21489858

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91837}}^1$

素因数の和:91858

約数の個数: 24

約数和(自身を含む): 50143548

約数和(自身を除く): 28653690

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91837, 183674, 275511, 551022, 826533, 1193881, 1653066, 2387762, 3581643, 7163286, 10744929, 21489858]

約数ペア:

[(1, 21489858), (2, 10744929), (3, 7163286), (6, 3581643), (9, 2387762), (13, 1653066), (18, 1193881), (26, 826533), (39, 551022), (78, 275511), (117, 183674), (234, 91837)]