21667130

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 40215744

約数和(自身を除く): 18548614

約数列:

[1, 2, 5, 10, 67, 73, 134, 146, 335, 365, 443, 670, 730, 886, 2215, 4430, 4891, 9782, 24455, 29681, 32339, 48910, 59362, 64678, 148405, 161695, 296810, 323390, 2166713, 4333426, 10833565, 21667130]

約数ペア:

[(1, 21667130), (2, 10833565), (5, 4333426), (10, 2166713), (67, 323390), (73, 296810), (134, 161695), (146, 148405), (335, 64678), (365, 59362), (443, 48910), (670, 32339), (730, 29681), (886, 24455), (2215, 9782), (4430, 4891)]