21096060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15287}}^1$

素因数の和:15322

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 40545156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15287, 30574, 45861, 61148, 76435, 91722, 152870, 183444, 229305, 305740, 351601, 458610, 703202, 917220, 1054803, 1406404, 1758005, 2109606, 3516010, 4219212, 5274015, 7032020, 10548030, 21096060]

約数ペア:

[(1, 21096060), (2, 10548030), (3, 7032020), (4, 5274015), (5, 4219212), (6, 3516010), (10, 2109606), (12, 1758005), (15, 1406404), (20, 1054803), (23, 917220), (30, 703202), (46, 458610), (60, 351601), (69, 305740), (92, 229305), (115, 183444), (138, 152870), (230, 91722), (276, 76435), (345, 61148), (460, 45861), (690, 30574), (1380, 15287)]