21025320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175211}}^1$

素因数の和:175225

約数の個数: 32

約数和(自身を含む): 63076320

約数和(自身を除く): 42051000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175211, 350422, 525633, 700844, 876055, 1051266, 1401688, 1752110, 2102532, 2628165, 3504220, 4205064, 5256330, 7008440, 10512660, 21025320]

約数ペア:

[(1, 21025320), (2, 10512660), (3, 7008440), (4, 5256330), (5, 4205064), (6, 3504220), (8, 2628165), (10, 2102532), (12, 1752110), (15, 1401688), (20, 1051266), (24, 876055), (30, 700844), (40, 525633), (60, 350422), (120, 175211)]