21441804

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 53088000

約数和(自身を除く): 31646196

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 157, 228, 314, 471, 599, 628, 942, 1198, 1797, 1884, 2396, 2983, 3594, 5966, 7188, 8949, 11381, 11932, 17898, 22762, 34143, 35796, 45524, 68286, 94043, 136572, 188086, 282129, 376172, 564258, 1128516, 1786817, 3573634, 5360451, 7147268, 10720902, 21441804]

約数ペア:

[(1, 21441804), (2, 10720902), (3, 7147268), (4, 5360451), (6, 3573634), (12, 1786817), (19, 1128516), (38, 564258), (57, 376172), (76, 282129), (114, 188086), (157, 136572), (228, 94043), (314, 68286), (471, 45524), (599, 35796), (628, 34143), (942, 22762), (1198, 17898), (1797, 11932), (1884, 11381), (2396, 8949), (2983, 7188), (3594, 5966)]