21863829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6299}}^1$

素因数の和:6404

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 9888171

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 6299, 18897, 81887, 245661, 560611, 1681833, 7287943, 21863829]

約数ペア:

[(1, 21863829), (3, 7287943), (13, 1681833), (39, 560611), (89, 245661), (267, 81887), (1157, 18897), (3471, 6299)]