21660847

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 2853713

約数列:

[1, 13, 31, 59, 403, 767, 911, 1829, 11843, 23777, 28241, 53749, 367133, 698737, 1666219, 21660847]

約数ペア:

[(1, 21660847), (13, 1666219), (31, 698737), (59, 367133), (403, 53749), (767, 28241), (911, 23777), (1829, 11843)]