21668940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120383}}^1$

素因数の和:120398

約数の個数: 36

約数和(自身を含む): 65729664

約数和(自身を除く): 44060724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120383, 240766, 361149, 481532, 601915, 722298, 1083447, 1203830, 1444596, 1805745, 2166894, 2407660, 3611490, 4333788, 5417235, 7222980, 10834470, 21668940]

約数ペア:

[(1, 21668940), (2, 10834470), (3, 7222980), (4, 5417235), (5, 4333788), (6, 3611490), (9, 2407660), (10, 2166894), (12, 1805745), (15, 1444596), (18, 1203830), (20, 1083447), (30, 722298), (36, 601915), (45, 481532), (60, 361149), (90, 240766), (180, 120383)]