21631055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1471}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 27661824

約数和(自身を除く): 6030769

約数列:

[1, 5, 17, 85, 173, 865, 1471, 2941, 7355, 14705, 25007, 125035, 254483, 1272415, 4326211, 21631055]

約数ペア:

[(1, 21631055), (5, 4326211), (17, 1272415), (85, 254483), (173, 125035), (865, 25007), (1471, 14705), (2941, 7355)]