21499480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23369}}^1$

素因数の和:23403

約数の個数: 32

約数和(自身を含む): 50479200

約数和(自身を除く): 28979720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23369, 46738, 93476, 116845, 186952, 233690, 467380, 537487, 934760, 1074974, 2149948, 2687435, 4299896, 5374870, 10749740, 21499480]

約数ペア:

[(1, 21499480), (2, 10749740), (4, 5374870), (5, 4299896), (8, 2687435), (10, 2149948), (20, 1074974), (23, 934760), (40, 537487), (46, 467380), (92, 233690), (115, 186952), (184, 116845), (230, 93476), (460, 46738), (920, 23369)]