21980460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366341}}^1$

素因数の和:366353

約数の個数: 24

約数和(自身を含む): 61545456

約数和(自身を除く): 39564996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366341, 732682, 1099023, 1465364, 1831705, 2198046, 3663410, 4396092, 5495115, 7326820, 10990230, 21980460]

約数ペア:

[(1, 21980460), (2, 10990230), (3, 7326820), (4, 5495115), (5, 4396092), (6, 3663410), (10, 2198046), (12, 1831705), (15, 1465364), (20, 1099023), (30, 732682), (60, 366341)]