21266460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118147}}^1$

素因数の和:118162

約数の個数: 36

約数和(自身を含む): 64508808

約数和(自身を除く): 43242348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118147, 236294, 354441, 472588, 590735, 708882, 1063323, 1181470, 1417764, 1772205, 2126646, 2362940, 3544410, 4253292, 5316615, 7088820, 10633230, 21266460]

約数ペア:

[(1, 21266460), (2, 10633230), (3, 7088820), (4, 5316615), (5, 4253292), (6, 3544410), (9, 2362940), (10, 2126646), (12, 1772205), (15, 1417764), (18, 1181470), (20, 1063323), (30, 708882), (36, 590735), (45, 472588), (60, 354441), (90, 236294), (180, 118147)]