21182384030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{304651}}^1$

素因数の和:305084

約数の個数: 32

約数和(自身を含む): 40469971680

約数和(自身を除く): 19287587650

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 409, 818, 2045, 4090, 6953, 13906, 34765, 69530, 304651, 609302, 1523255, 3046510, 5179067, 10358134, 25895335, 51790670, 124602259, 249204518, 623011295, 1246022590, 2118238403, 4236476806, 10591192015, 21182384030]

約数ペア:

[(1, 21182384030), (2, 10591192015), (5, 4236476806), (10, 2118238403), (17, 1246022590), (34, 623011295), (85, 249204518), (170, 124602259), (409, 51790670), (818, 25895335), (2045, 10358134), (4090, 5179067), (6953, 3046510), (13906, 1523255), (34765, 609302), (69530, 304651)]