21053346

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 43348608

約数和(自身を除く): 22295262

約数列:

[1, 2, 3, 6, 71, 73, 142, 146, 213, 219, 426, 438, 677, 1354, 2031, 4062, 5183, 10366, 15549, 31098, 48067, 49421, 96134, 98842, 144201, 148263, 288402, 296526, 3508891, 7017782, 10526673, 21053346]

約数ペア:

[(1, 21053346), (2, 10526673), (3, 7017782), (6, 3508891), (71, 296526), (73, 288402), (142, 148263), (146, 144201), (213, 98842), (219, 96134), (426, 49421), (438, 48067), (677, 31098), (1354, 15549), (2031, 10366), (4062, 5183)]