21930376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210869}}^1$

素因数の和:210888

約数の個数: 16

約数和(自身を含む): 44282700

約数和(自身を除く): 22352324

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210869, 421738, 843476, 1686952, 2741297, 5482594, 10965188, 21930376]

約数ペア:

[(1, 21930376), (2, 10965188), (4, 5482594), (8, 2741297), (13, 1686952), (26, 843476), (52, 421738), (104, 210869)]