21953214

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3947}}^1$

素因数の和:4061

約数の個数: 32

約数和(自身を含む): 49271040

約数和(自身を除く): 27317826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 3947, 5562, 7894, 11841, 23682, 35523, 71046, 106569, 213138, 406541, 813082, 1219623, 2439246, 3658869, 7317738, 10976607, 21953214]

約数ペア:

[(1, 21953214), (2, 10976607), (3, 7317738), (6, 3658869), (9, 2439246), (18, 1219623), (27, 813082), (54, 406541), (103, 213138), (206, 106569), (309, 71046), (618, 35523), (927, 23682), (1854, 11841), (2781, 7894), (3947, 5562)]