21242154620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{363611}}^1$

素因数の和:363770

約数の個数: 48

約数和(自身を含む): 46914674688

約数和(自身を除く): 25672520068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 635, 1270, 2540, 2921, 5842, 11684, 14605, 29210, 58420, 363611, 727222, 1454444, 1818055, 3636110, 7272220, 8363053, 16726106, 33452212, 41815265, 46178597, 83630530, 92357194, 167261060, 184714388, 230892985, 461785970, 923571940, 1062107731, 2124215462, 4248430924, 5310538655, 10621077310, 21242154620]

約数ペア:

[(1, 21242154620), (2, 10621077310), (4, 5310538655), (5, 4248430924), (10, 2124215462), (20, 1062107731), (23, 923571940), (46, 461785970), (92, 230892985), (115, 184714388), (127, 167261060), (230, 92357194), (254, 83630530), (460, 46178597), (508, 41815265), (635, 33452212), (1270, 16726106), (2540, 8363053), (2921, 7272220), (5842, 3636110), (11684, 1818055), (14605, 1454444), (29210, 727222), (58420, 363611)]