21948445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1733}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 28090800

約数和(自身を除く): 6142355

約数列:

[1, 5, 17, 85, 149, 745, 1733, 2533, 8665, 12665, 29461, 147305, 258217, 1291085, 4389689, 21948445]

約数ペア:

[(1, 21948445), (5, 4389689), (17, 1291085), (85, 258217), (149, 147305), (745, 29461), (1733, 12665), (2533, 8665)]