21570088

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44201}}^1$

素因数の和:44268

約数の個数: 16

約数和(自身を含む): 41107860

約数和(自身を除く): 19537772

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44201, 88402, 176804, 353608, 2696261, 5392522, 10785044, 21570088]

約数ペア:

[(1, 21570088), (2, 10785044), (4, 5392522), (8, 2696261), (61, 353608), (122, 176804), (244, 88402), (488, 44201)]