21570476

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{68261}}^1$

素因数の和:68344

約数の個数: 12

約数和(自身を含む): 38226720

約数和(自身を除く): 16656244

約数列:

[1, 2, 4, 79, 158, 316, 68261, 136522, 273044, 5392619, 10785238, 21570476]

約数ペア:

[(1, 21570476), (2, 10785238), (4, 5392619), (79, 273044), (158, 136522), (316, 68261)]