21180186

素因数分解:

$2^1\times 3^2\times {\mathrm{347}}^1\times {\mathrm{3391}}^1$

素因数の和:3746

約数の個数: 24

約数和(自身を含む): 46036224

約数和(自身を除く): 24856038

約数列:

[1, 2, 3, 6, 9, 18, 347, 694, 1041, 2082, 3123, 3391, 6246, 6782, 10173, 20346, 30519, 61038, 1176677, 2353354, 3530031, 7060062, 10590093, 21180186]

約数ペア:

[(1, 21180186), (2, 10590093), (3, 7060062), (6, 3530031), (9, 2353354), (18, 1176677), (347, 61038), (694, 30519), (1041, 20346), (2082, 10173), (3123, 6782), (3391, 6246)]