21319528

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20814872

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 1063, 2126, 2507, 4252, 5014, 8504, 10028, 20056, 24449, 48898, 97796, 115867, 195592, 231734, 463468, 926936, 2664941, 5329882, 10659764, 21319528]

約数ペア:

[(1, 21319528), (2, 10659764), (4, 5329882), (8, 2664941), (23, 926936), (46, 463468), (92, 231734), (109, 195592), (184, 115867), (218, 97796), (436, 48898), (872, 24449), (1063, 20056), (2126, 10028), (2507, 8504), (4252, 5014)]