21907920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91283}}^1$

素因数の和:91299

約数の個数: 40

約数和(自身を含む): 67915296

約数和(自身を除く): 46007376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91283, 182566, 273849, 365132, 456415, 547698, 730264, 912830, 1095396, 1369245, 1460528, 1825660, 2190792, 2738490, 3651320, 4381584, 5476980, 7302640, 10953960, 21907920]

約数ペア:

[(1, 21907920), (2, 10953960), (3, 7302640), (4, 5476980), (5, 4381584), (6, 3651320), (8, 2738490), (10, 2190792), (12, 1825660), (15, 1460528), (16, 1369245), (20, 1095396), (24, 912830), (30, 730264), (40, 547698), (48, 456415), (60, 365132), (80, 273849), (120, 182566), (240, 91283)]