21347498

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1573

約数の個数: 16

約数和(自身を含む): 32836320

約数和(自身を除く): 11488822

約数列:

[1, 2, 59, 118, 131, 262, 1381, 2762, 7729, 15458, 81479, 162958, 180911, 361822, 10673749, 21347498]

約数ペア:

[(1, 21347498), (2, 10673749), (59, 361822), (118, 180911), (131, 162958), (262, 81479), (1381, 15458), (2762, 7729)]