21436610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{613}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 41776560

約数和(自身を除く): 20339950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 613, 1226, 1345, 2690, 3065, 3497, 6130, 6994, 7969, 15938, 17485, 34970, 39845, 79690, 164897, 329794, 824485, 1648970, 2143661, 4287322, 10718305, 21436610]

約数ペア:

[(1, 21436610), (2, 10718305), (5, 4287322), (10, 2143661), (13, 1648970), (26, 824485), (65, 329794), (130, 164897), (269, 79690), (538, 39845), (613, 34970), (1226, 17485), (1345, 15938), (2690, 7969), (3065, 6994), (3497, 6130)]