21866095204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{7481}}^1\times {\mathrm{38459}}^1$

素因数の和:45963

約数の個数: 24

約数和(自身を含む): 40286080800

約数和(自身を除く): 18419985596

約数列:

[1, 2, 4, 19, 38, 76, 7481, 14962, 29924, 38459, 76918, 142139, 153836, 284278, 568556, 730721, 1461442, 2922884, 287711779, 575423558, 1150847116, 5466523801, 10933047602, 21866095204]

約数ペア:

[(1, 21866095204), (2, 10933047602), (4, 5466523801), (19, 1150847116), (38, 575423558), (76, 287711779), (7481, 2922884), (14962, 1461442), (29924, 730721), (38459, 568556), (76918, 284278), (142139, 153836)]