21855022990

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26331353}}^1$

素因数の和:26331443

約数の個数: 16

約数和(自身を含む): 39813007248

約数和(自身を除く): 17957984258

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 26331353, 52662706, 131656765, 263313530, 2185502299, 4371004598, 10927511495, 21855022990]

約数ペア:

[(1, 21855022990), (2, 10927511495), (5, 4371004598), (10, 2185502299), (83, 263313530), (166, 131656765), (415, 52662706), (830, 26331353)]