21618270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240203}}^1$

素因数の和:240216

約数の個数: 24

約数和(自身を含む): 56207736

約数和(自身を除く): 34589466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240203, 480406, 720609, 1201015, 1441218, 2161827, 2402030, 3603045, 4323654, 7206090, 10809135, 21618270]

約数ペア:

[(1, 21618270), (2, 10809135), (3, 7206090), (5, 4323654), (6, 3603045), (9, 2402030), (10, 2161827), (15, 1441218), (18, 1201015), (30, 720609), (45, 480406), (90, 240203)]