21221118

素因数分解:

$2^1\times 3^2\times {\mathrm{659}}^1\times {\mathrm{1789}}^1$

素因数の和:2456

約数の個数: 24

約数和(自身を含む): 46074600

約数和(自身を除く): 24853482

約数列:

[1, 2, 3, 6, 9, 18, 659, 1318, 1789, 1977, 3578, 3954, 5367, 5931, 10734, 11862, 16101, 32202, 1178951, 2357902, 3536853, 7073706, 10610559, 21221118]

約数ペア:

[(1, 21221118), (2, 10610559), (3, 7073706), (6, 3536853), (9, 2357902), (18, 1178951), (659, 32202), (1318, 16101), (1789, 11862), (1977, 10734), (3578, 5931), (3954, 5367)]