21575800

素因数分解:

$2^3\times 5^2\times {\mathrm{233}}^1\times {\mathrm{463}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 50487840

約数和(自身を除く): 28912040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 233, 463, 466, 926, 932, 1165, 1852, 1864, 2315, 2330, 3704, 4630, 4660, 5825, 9260, 9320, 11575, 11650, 18520, 23150, 23300, 46300, 46600, 92600, 107879, 215758, 431516, 539395, 863032, 1078790, 2157580, 2696975, 4315160, 5393950, 10787900, 21575800]

約数ペア:

[(1, 21575800), (2, 10787900), (4, 5393950), (5, 4315160), (8, 2696975), (10, 2157580), (20, 1078790), (25, 863032), (40, 539395), (50, 431516), (100, 215758), (200, 107879), (233, 92600), (463, 46600), (466, 46300), (926, 23300), (932, 23150), (1165, 18520), (1852, 11650), (1864, 11575), (2315, 9320), (2330, 9260), (3704, 5825), (4630, 4660)]