21231240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176927}}^1$

素因数の和:176941

約数の個数: 32

約数和(自身を含む): 63694080

約数和(自身を除く): 42462840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176927, 353854, 530781, 707708, 884635, 1061562, 1415416, 1769270, 2123124, 2653905, 3538540, 4246248, 5307810, 7077080, 10615620, 21231240]

約数ペア:

[(1, 21231240), (2, 10615620), (3, 7077080), (4, 5307810), (5, 4246248), (6, 3538540), (8, 2653905), (10, 2123124), (12, 1769270), (15, 1415416), (20, 1061562), (24, 884635), (30, 707708), (40, 530781), (60, 353854), (120, 176927)]