21567690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239641}}^1$

素因数の和:239654

約数の個数: 24

約数和(自身を含む): 56076228

約数和(自身を除く): 34508538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239641, 479282, 718923, 1198205, 1437846, 2156769, 2396410, 3594615, 4313538, 7189230, 10783845, 21567690]

約数ペア:

[(1, 21567690), (2, 10783845), (3, 7189230), (5, 4313538), (6, 3594615), (9, 2396410), (10, 2156769), (15, 1437846), (18, 1198205), (30, 718923), (45, 479282), (90, 239641)]