21266031

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13451}}^1$

素因数の和:13502

約数の個数: 16

約数和(自身を含む): 30993408

約数和(自身を除く): 9727377

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13451, 40353, 228667, 416981, 686001, 1250943, 7088677, 21266031]

約数ペア:

[(1, 21266031), (3, 7088677), (17, 1250943), (31, 686001), (51, 416981), (93, 228667), (527, 40353), (1581, 13451)]