21743485180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63951427}}^1$

素因数の和:63951453

約数の個数: 24

約数和(自身を含む): 48347279568

約数和(自身を除く): 26603794388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 63951427, 127902854, 255805708, 319757135, 639514270, 1087174259, 1279028540, 2174348518, 4348697036, 5435871295, 10871742590, 21743485180]

約数ペア:

[(1, 21743485180), (2, 10871742590), (4, 5435871295), (5, 4348697036), (10, 2174348518), (17, 1279028540), (20, 1087174259), (34, 639514270), (68, 319757135), (85, 255805708), (170, 127902854), (340, 63951427)]