21098110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191801}}^1$

素因数の和:191819

約数の個数: 16

約数和(自身を含む): 41429232

約数和(自身を除く): 20331122

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191801, 383602, 959005, 1918010, 2109811, 4219622, 10549055, 21098110]

約数ペア:

[(1, 21098110), (2, 10549055), (5, 4219622), (10, 2109811), (11, 1918010), (22, 959005), (55, 383602), (110, 191801)]