21997092

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 57360576

約数和(自身を除く): 35363484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 103, 111, 148, 156, 206, 222, 309, 412, 444, 481, 618, 962, 1236, 1339, 1369, 1443, 1924, 2678, 2738, 2886, 3811, 4017, 4107, 5356, 5476, 5772, 7622, 8034, 8214, 11433, 15244, 16068, 16428, 17797, 22866, 35594, 45732, 49543, 53391, 71188, 99086, 106782, 141007, 148629, 198172, 213564, 282014, 297258, 423021, 564028, 594516, 846042, 1692084, 1833091, 3666182, 5499273, 7332364, 10998546, 21997092]

約数ペア:

[(1, 21997092), (2, 10998546), (3, 7332364), (4, 5499273), (6, 3666182), (12, 1833091), (13, 1692084), (26, 846042), (37, 594516), (39, 564028), (52, 423021), (74, 297258), (78, 282014), (103, 213564), (111, 198172), (148, 148629), (156, 141007), (206, 106782), (222, 99086), (309, 71188), (412, 53391), (444, 49543), (481, 45732), (618, 35594), (962, 22866), (1236, 17797), (1339, 16428), (1369, 16068), (1443, 15244), (1924, 11433), (2678, 8214), (2738, 8034), (2886, 7622), (3811, 5772), (4017, 5476), (4107, 5356)]