21491571838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1\times {\mathrm{664099}}^1$

素因数の和:665583

約数の個数: 16

約数和(自身を含む): 35191987200

約数和(自身を除く): 13700415362

約数列:

[1, 2, 11, 22, 1471, 2942, 16181, 32362, 664099, 1328198, 7305089, 14610178, 976889629, 1953779258, 10745785919, 21491571838]

約数ペア:

[(1, 21491571838), (2, 10745785919), (11, 1953779258), (22, 976889629), (1471, 14610178), (2942, 7305089), (16181, 1328198), (32362, 664099)]