21490624510

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{471389}}^1$

素因数の和:471540

約数の個数: 32

約数和(自身を含む): 39913534080

約数和(自身を除く): 18422909570

約数列:

[1, 2, 5, 10, 47, 94, 97, 194, 235, 470, 485, 970, 4559, 9118, 22795, 45590, 471389, 942778, 2356945, 4713890, 22155283, 44310566, 45724733, 91449466, 110776415, 221552830, 228623665, 457247330, 2149062451, 4298124902, 10745312255, 21490624510]

約数ペア:

[(1, 21490624510), (2, 10745312255), (5, 4298124902), (10, 2149062451), (47, 457247330), (94, 228623665), (97, 221552830), (194, 110776415), (235, 91449466), (470, 45724733), (485, 44310566), (970, 22155283), (4559, 4713890), (9118, 2356945), (22795, 942778), (45590, 471389)]