21000570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8861}}^1$

素因数の和:8950

約数の個数: 32

約数和(自身を含む): 51045120

約数和(自身を除く): 30044550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8861, 17722, 26583, 44305, 53166, 88610, 132915, 265830, 700019, 1400038, 2100057, 3500095, 4200114, 7000190, 10500285, 21000570]

約数ペア:

[(1, 21000570), (2, 10500285), (3, 7000190), (5, 4200114), (6, 3500095), (10, 2100057), (15, 1400038), (30, 700019), (79, 265830), (158, 132915), (237, 88610), (395, 53166), (474, 44305), (790, 26583), (1185, 17722), (2370, 8861)]