21073986

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12589}}^1$

素因数の和:12631

約数の個数: 32

約数和(自身を含む): 48345600

約数和(自身を除く): 27271614

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12589, 25178, 37767, 75534, 113301, 226602, 339903, 390259, 679806, 780518, 1170777, 2341554, 3512331, 7024662, 10536993, 21073986]

約数ペア:

[(1, 21073986), (2, 10536993), (3, 7024662), (6, 3512331), (9, 2341554), (18, 1170777), (27, 780518), (31, 679806), (54, 390259), (62, 339903), (93, 226602), (186, 113301), (279, 75534), (558, 37767), (837, 25178), (1674, 12589)]