21419060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6337}}^1$

素因数の和:6372

約数の個数: 36

約数和(自身を含む): 48713868

約数和(自身を除く): 27294808

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6337, 12674, 25348, 31685, 63370, 82381, 126740, 164762, 329524, 411905, 823810, 1070953, 1647620, 2141906, 4283812, 5354765, 10709530, 21419060]

約数ペア:

[(1, 21419060), (2, 10709530), (4, 5354765), (5, 4283812), (10, 2141906), (13, 1647620), (20, 1070953), (26, 823810), (52, 411905), (65, 329524), (130, 164762), (169, 126740), (260, 82381), (338, 63370), (676, 31685), (845, 25348), (1690, 12674), (3380, 6337)]