21518061

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 29741568

約数和(自身を除く): 8223507

約数列:

[1, 3, 31, 93, 401, 577, 1203, 1731, 12431, 17887, 37293, 53661, 231377, 694131, 7172687, 21518061]

約数ペア:

[(1, 21518061), (3, 7172687), (31, 694131), (93, 231377), (401, 53661), (577, 37293), (1203, 17887), (1731, 12431)]