21102649917

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{3067}}^1\times {\mathrm{16741}}^1$

素因数の和:19948

約数の個数: 16

約数和(自身を含む): 28353179712

約数和(自身を除く): 7250529795

約数列:

[1, 3, 137, 411, 3067, 9201, 16741, 50223, 420179, 1260537, 2293517, 6880551, 51344647, 154033941, 7034216639, 21102649917]

約数ペア:

[(1, 21102649917), (3, 7034216639), (137, 154033941), (411, 51344647), (3067, 6880551), (9201, 2293517), (16741, 1260537), (50223, 420179)]