21646924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11251}}^1$

素因数の和:11305

約数の個数: 24

約数和(自身を含む): 41902448

約数和(自身を除く): 20255524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11251, 22502, 45004, 146263, 292526, 416287, 585052, 832574, 1665148, 5411731, 10823462, 21646924]

約数ペア:

[(1, 21646924), (2, 10823462), (4, 5411731), (13, 1665148), (26, 832574), (37, 585052), (52, 416287), (74, 292526), (148, 146263), (481, 45004), (962, 22502), (1924, 11251)]