21321712

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6977}}^1$

素因数の和:7176

約数の個数: 20

約数和(自身を含む): 41533056

約数和(自身を除く): 20211344

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6977, 13954, 27908, 55816, 111632, 1332607, 2665214, 5330428, 10660856, 21321712]

約数ペア:

[(1, 21321712), (2, 10660856), (4, 5330428), (8, 2665214), (16, 1332607), (191, 111632), (382, 55816), (764, 27908), (1528, 13954), (3056, 6977)]