21386556

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{10069}}^1$

素因数の和:10138

約数の個数: 36

約数和(自身を含む): 54982200

約数和(自身を除く): 33595644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 10069, 20138, 30207, 40276, 60414, 90621, 120828, 181242, 362484, 594071, 1188142, 1782213, 2376284, 3564426, 5346639, 7128852, 10693278, 21386556]

約数ペア:

[(1, 21386556), (2, 10693278), (3, 7128852), (4, 5346639), (6, 3564426), (9, 2376284), (12, 1782213), (18, 1188142), (36, 594071), (59, 362484), (118, 181242), (177, 120828), (236, 90621), (354, 60414), (531, 40276), (708, 30207), (1062, 20138), (2124, 10069)]