21499320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179161}}^1$

素因数の和:179175

約数の個数: 32

約数和(自身を含む): 64498320

約数和(自身を除く): 42999000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179161, 358322, 537483, 716644, 895805, 1074966, 1433288, 1791610, 2149932, 2687415, 3583220, 4299864, 5374830, 7166440, 10749660, 21499320]

約数ペア:

[(1, 21499320), (2, 10749660), (3, 7166440), (4, 5374830), (5, 4299864), (6, 3583220), (8, 2687415), (10, 2149932), (12, 1791610), (15, 1433288), (20, 1074966), (24, 895805), (30, 716644), (40, 537483), (60, 358322), (120, 179161)]