21006544994

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1\times {\mathrm{198839}}^1$

素因数の和:199465

約数の個数: 16

約数和(自身を含む): 31882800960

約数和(自身を除く): 10876255966

約数列:

[1, 2, 101, 202, 523, 1046, 52823, 105646, 198839, 397678, 20082739, 40165478, 103992797, 207985594, 10503272497, 21006544994]

約数ペア:

[(1, 21006544994), (2, 10503272497), (101, 207985594), (202, 103992797), (523, 40165478), (1046, 20082739), (52823, 397678), (105646, 198839)]