21405978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{36037}}^1$

素因数の和:36059

約数の個数: 32

約数和(自身を含む): 51894720

約数和(自身を除く): 30488742

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 36037, 72074, 108111, 216222, 324333, 396407, 648666, 792814, 972999, 1189221, 1945998, 2378442, 3567663, 7135326, 10702989, 21405978]

約数ペア:

[(1, 21405978), (2, 10702989), (3, 7135326), (6, 3567663), (9, 2378442), (11, 1945998), (18, 1189221), (22, 972999), (27, 792814), (33, 648666), (54, 396407), (66, 324333), (99, 216222), (198, 108111), (297, 72074), (594, 36037)]