21969194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 37403856

約数和(自身を除く): 15434662

約数列:

[1, 2, 13, 26, 37, 41, 74, 82, 481, 533, 557, 962, 1066, 1114, 1517, 3034, 7241, 14482, 19721, 20609, 22837, 39442, 41218, 45674, 267917, 296881, 535834, 593762, 844969, 1689938, 10984597, 21969194]

約数ペア:

[(1, 21969194), (2, 10984597), (13, 1689938), (26, 844969), (37, 593762), (41, 535834), (74, 296881), (82, 267917), (481, 45674), (533, 41218), (557, 39442), (962, 22837), (1066, 20609), (1114, 19721), (1517, 14482), (3034, 7241)]