21931770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 60592896

約数和(自身を除く): 38661126

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 181, 210, 362, 543, 577, 905, 1086, 1154, 1267, 1731, 1810, 2534, 2715, 2885, 3462, 3801, 4039, 5430, 5770, 6335, 7602, 8078, 8655, 12117, 12670, 17310, 19005, 20195, 24234, 38010, 40390, 60585, 104437, 121170, 208874, 313311, 522185, 626622, 731059, 1044370, 1462118, 1566555, 2193177, 3133110, 3655295, 4386354, 7310590, 10965885, 21931770]

約数ペア:

[(1, 21931770), (2, 10965885), (3, 7310590), (5, 4386354), (6, 3655295), (7, 3133110), (10, 2193177), (14, 1566555), (15, 1462118), (21, 1044370), (30, 731059), (35, 626622), (42, 522185), (70, 313311), (105, 208874), (181, 121170), (210, 104437), (362, 60585), (543, 40390), (577, 38010), (905, 24234), (1086, 20195), (1154, 19005), (1267, 17310), (1731, 12670), (1810, 12117), (2534, 8655), (2715, 8078), (2885, 7602), (3462, 6335), (3801, 5770), (4039, 5430)]