21972904

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{7247}}^1$

素因数の和:7632

約数の個数: 16

約数和(自身を含む): 41313600

約数和(自身を除く): 19340696

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 7247, 14494, 28988, 57976, 2746613, 5493226, 10986452, 21972904]

約数ペア:

[(1, 21972904), (2, 10986452), (4, 5493226), (8, 2746613), (379, 57976), (758, 28988), (1516, 14494), (3032, 7247)]