21330276

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 54582528

約数和(自身を除く): 33252252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 283, 566, 571, 849, 1132, 1142, 1698, 1713, 2284, 3113, 3396, 3426, 6226, 6281, 6852, 9339, 12452, 12562, 18678, 18843, 25124, 37356, 37686, 75372, 161593, 323186, 484779, 646372, 969558, 1777523, 1939116, 3555046, 5332569, 7110092, 10665138, 21330276]

約数ペア:

[(1, 21330276), (2, 10665138), (3, 7110092), (4, 5332569), (6, 3555046), (11, 1939116), (12, 1777523), (22, 969558), (33, 646372), (44, 484779), (66, 323186), (132, 161593), (283, 75372), (566, 37686), (571, 37356), (849, 25124), (1132, 18843), (1142, 18678), (1698, 12562), (1713, 12452), (2284, 9339), (3113, 6852), (3396, 6281), (3426, 6226)]