21156066

素因数分解:

$2^1\times 3^5\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 26961822

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 243, 303, 431, 486, 606, 862, 909, 1293, 1818, 2586, 2727, 3879, 5454, 7758, 8181, 11637, 16362, 23274, 24543, 34911, 43531, 49086, 69822, 87062, 104733, 130593, 209466, 261186, 391779, 783558, 1175337, 2350674, 3526011, 7052022, 10578033, 21156066]

約数ペア:

[(1, 21156066), (2, 10578033), (3, 7052022), (6, 3526011), (9, 2350674), (18, 1175337), (27, 783558), (54, 391779), (81, 261186), (101, 209466), (162, 130593), (202, 104733), (243, 87062), (303, 69822), (431, 49086), (486, 43531), (606, 34911), (862, 24543), (909, 23274), (1293, 16362), (1818, 11637), (2586, 8181), (2727, 7758), (3879, 5454)]