21490508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14251}}^1$

素因数の和:14297

約数の個数: 24

約数和(自身を含む): 41900880

約数和(自身を除く): 20410372

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14251, 28502, 57004, 185263, 370526, 413279, 741052, 826558, 1653116, 5372627, 10745254, 21490508]

約数ペア:

[(1, 21490508), (2, 10745254), (4, 5372627), (13, 1653116), (26, 826558), (29, 741052), (52, 413279), (58, 370526), (116, 185263), (377, 57004), (754, 28502), (1508, 14251)]