21623707

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 25444800

約数和(自身を除く): 3821093

約数列:

[1, 7, 61, 89, 427, 569, 623, 3983, 5429, 34709, 38003, 50641, 242963, 354487, 3089101, 21623707]

約数ペア:

[(1, 21623707), (7, 3089101), (61, 354487), (89, 242963), (427, 50641), (569, 38003), (623, 34709), (3983, 5429)]