21159972

素因数分解:

$2^2\times 3^2\times {\mathrm{569}}^1\times {\mathrm{1033}}^1$

素因数の和:1612

約数の個数: 36

約数和(自身を含む): 53633580

約数和(自身を除く): 32473608

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569, 1033, 1138, 1707, 2066, 2276, 3099, 3414, 4132, 5121, 6198, 6828, 9297, 10242, 12396, 18594, 20484, 37188, 587777, 1175554, 1763331, 2351108, 3526662, 5289993, 7053324, 10579986, 21159972]

約数ペア:

[(1, 21159972), (2, 10579986), (3, 7053324), (4, 5289993), (6, 3526662), (9, 2351108), (12, 1763331), (18, 1175554), (36, 587777), (569, 37188), (1033, 20484), (1138, 18594), (1707, 12396), (2066, 10242), (2276, 9297), (3099, 6828), (3414, 6198), (4132, 5121)]