21316080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88817}}^1$

素因数の和:88833

約数の個数: 40

約数和(自身を含む): 66080592

約数和(自身を除く): 44764512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88817, 177634, 266451, 355268, 444085, 532902, 710536, 888170, 1065804, 1332255, 1421072, 1776340, 2131608, 2664510, 3552680, 4263216, 5329020, 7105360, 10658040, 21316080]

約数ペア:

[(1, 21316080), (2, 10658040), (3, 7105360), (4, 5329020), (5, 4263216), (6, 3552680), (8, 2664510), (10, 2131608), (12, 1776340), (15, 1421072), (16, 1332255), (20, 1065804), (24, 888170), (30, 710536), (40, 532902), (48, 444085), (60, 355268), (80, 266451), (120, 177634), (240, 88817)]