21241728

素因数分解:

$2^7\times 3^2\times {\mathrm{18439}}^1$

素因数の和:18459

約数の個数: 48

約数和(自身を含む): 61128600

約数和(自身を除く): 39886872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 18439, 36878, 55317, 73756, 110634, 147512, 165951, 221268, 295024, 331902, 442536, 590048, 663804, 885072, 1180096, 1327608, 1770144, 2360192, 2655216, 3540288, 5310432, 7080576, 10620864, 21241728]

約数ペア:

[(1, 21241728), (2, 10620864), (3, 7080576), (4, 5310432), (6, 3540288), (8, 2655216), (9, 2360192), (12, 1770144), (16, 1327608), (18, 1180096), (24, 885072), (32, 663804), (36, 590048), (48, 442536), (64, 331902), (72, 295024), (96, 221268), (128, 165951), (144, 147512), (192, 110634), (288, 73756), (384, 55317), (576, 36878), (1152, 18439)]