21631753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6577}}^1$

素因数の和:6624

約数の個数: 16

約数和(自身を含む): 26522496

約数和(自身を除く): 4890743

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6577, 72347, 85501, 151271, 940511, 1663981, 1966523, 21631753]

約数ペア:

[(1, 21631753), (11, 1966523), (13, 1663981), (23, 940511), (143, 151271), (253, 85501), (299, 72347), (3289, 6577)]