21465772

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 39489296

約数和(自身を除く): 18023524

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 1591, 3182, 3373, 6364, 6746, 13492, 124801, 145039, 249602, 290078, 499204, 580156, 5366443, 10732886, 21465772]

約数ペア:

[(1, 21465772), (2, 10732886), (4, 5366443), (37, 580156), (43, 499204), (74, 290078), (86, 249602), (148, 145039), (172, 124801), (1591, 13492), (3182, 6746), (3373, 6364)]