21131268780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4969}}^1\times {\mathrm{70877}}^1$

素因数の和:75858

約数の個数: 48

約数和(自身を含む): 59180294880

約数和(自身を除く): 38049026100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4969, 9938, 14907, 19876, 24845, 29814, 49690, 59628, 70877, 74535, 99380, 141754, 149070, 212631, 283508, 298140, 354385, 425262, 708770, 850524, 1063155, 1417540, 2126310, 4252620, 352187813, 704375626, 1056563439, 1408751252, 1760939065, 2113126878, 3521878130, 4226253756, 5282817195, 7043756260, 10565634390, 21131268780]

約数ペア:

[(1, 21131268780), (2, 10565634390), (3, 7043756260), (4, 5282817195), (5, 4226253756), (6, 3521878130), (10, 2113126878), (12, 1760939065), (15, 1408751252), (20, 1056563439), (30, 704375626), (60, 352187813), (4969, 4252620), (9938, 2126310), (14907, 1417540), (19876, 1063155), (24845, 850524), (29814, 708770), (49690, 425262), (59628, 354385), (70877, 298140), (74535, 283508), (99380, 212631), (141754, 149070)]