21173520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88223}}^1$

素因数の和:88239

約数の個数: 40

約数和(自身を含む): 65638656

約数和(自身を除く): 44465136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88223, 176446, 264669, 352892, 441115, 529338, 705784, 882230, 1058676, 1323345, 1411568, 1764460, 2117352, 2646690, 3528920, 4234704, 5293380, 7057840, 10586760, 21173520]

約数ペア:

[(1, 21173520), (2, 10586760), (3, 7057840), (4, 5293380), (5, 4234704), (6, 3528920), (8, 2646690), (10, 2117352), (12, 1764460), (15, 1411568), (16, 1323345), (20, 1058676), (24, 882230), (30, 705784), (40, 529338), (48, 441115), (60, 352892), (80, 264669), (120, 176446), (240, 88223)]