21222448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{102031}}^1$

素因数の和:102052

約数の個数: 20

約数和(自身を含む): 44281888

約数和(自身を除く): 23059440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 102031, 204062, 408124, 816248, 1326403, 1632496, 2652806, 5305612, 10611224, 21222448]

約数ペア:

[(1, 21222448), (2, 10611224), (4, 5305612), (8, 2652806), (13, 1632496), (16, 1326403), (26, 816248), (52, 408124), (104, 204062), (208, 102031)]