21358248

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{3167}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 53602560

約数和(自身を除く): 32244312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3167, 3372, 6334, 6744, 9501, 12668, 19002, 25336, 38004, 76008, 889927, 1779854, 2669781, 3559708, 5339562, 7119416, 10679124, 21358248]

約数ペア:

[(1, 21358248), (2, 10679124), (3, 7119416), (4, 5339562), (6, 3559708), (8, 2669781), (12, 1779854), (24, 889927), (281, 76008), (562, 38004), (843, 25336), (1124, 19002), (1686, 12668), (2248, 9501), (3167, 6744), (3372, 6334)]