21297138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1471}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 45219840

約数和(自身を除く): 23922702

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 127, 254, 381, 762, 1471, 2413, 2942, 4413, 4826, 7239, 8826, 14478, 27949, 55898, 83847, 167694, 186817, 373634, 560451, 1120902, 3549523, 7099046, 10648569, 21297138]

約数ペア:

[(1, 21297138), (2, 10648569), (3, 7099046), (6, 3549523), (19, 1120902), (38, 560451), (57, 373634), (114, 186817), (127, 167694), (254, 83847), (381, 55898), (762, 27949), (1471, 14478), (2413, 8826), (2942, 7239), (4413, 4826)]