21024963455

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1\times {\mathrm{64951}}^1$

素因数の和:65698

約数の個数: 16

約数和(自身を含む): 25519900608

約数和(自身を除く): 4494937153

約数列:

[1, 5, 101, 505, 641, 3205, 64741, 64951, 323705, 324755, 6560051, 32800255, 41633591, 208167955, 4204992691, 21024963455]

約数ペア:

[(1, 21024963455), (5, 4204992691), (101, 208167955), (505, 41633591), (641, 32800255), (3205, 6560051), (64741, 324755), (64951, 323705)]