21649562

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:814

約数の個数: 24

約数和(自身を含む): 36010548

約数和(自身を除く): 14360986

約数列:

[1, 2, 11, 22, 121, 137, 242, 274, 653, 1306, 1507, 3014, 7183, 14366, 16577, 33154, 79013, 89461, 158026, 178922, 984071, 1968142, 10824781, 21649562]

約数ペア:

[(1, 21649562), (2, 10824781), (11, 1968142), (22, 984071), (121, 178922), (137, 158026), (242, 89461), (274, 79013), (653, 33154), (1306, 16577), (1507, 14366), (3014, 7183)]