21853634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43189}}^1$

素因数の和:43225

約数の個数: 16

約数和(自身を含む): 37316160

約数和(自身を除く): 15462526

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43189, 86378, 475079, 950158, 993347, 1986694, 10926817, 21853634]

約数ペア:

[(1, 21853634), (2, 10926817), (11, 1986694), (22, 993347), (23, 950158), (46, 475079), (253, 86378), (506, 43189)]