21103659538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1\times {\mathrm{545117}}^1$

素因数の和:546621

約数の個数: 16

約数和(自身を含む): 34113484440

約数和(自身を除く): 13009824902

約数列:

[1, 2, 13, 26, 1489, 2978, 19357, 38714, 545117, 1090234, 7086521, 14173042, 811679213, 1623358426, 10551829769, 21103659538]

約数ペア:

[(1, 21103659538), (2, 10551829769), (13, 1623358426), (26, 811679213), (1489, 14173042), (2978, 7086521), (19357, 1090234), (38714, 545117)]