21900436

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 39070080

約数和(自身を除く): 17169644

約数列:

[1, 2, 4, 101, 151, 202, 302, 359, 404, 604, 718, 1436, 15251, 30502, 36259, 54209, 61004, 72518, 108418, 145036, 216836, 5475109, 10950218, 21900436]

約数ペア:

[(1, 21900436), (2, 10950218), (4, 5475109), (101, 216836), (151, 145036), (202, 108418), (302, 72518), (359, 61004), (404, 54209), (604, 36259), (718, 30502), (1436, 15251)]