21474531

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 34547520

約数和(自身を除く): 13072989

約数列:

[1, 3, 9, 13, 27, 39, 117, 193, 317, 351, 579, 951, 1737, 2509, 2853, 4121, 5211, 7527, 8559, 12363, 22581, 37089, 61181, 67743, 111267, 183543, 550629, 795353, 1651887, 2386059, 7158177, 21474531]

約数ペア:

[(1, 21474531), (3, 7158177), (9, 2386059), (13, 1651887), (27, 795353), (39, 550629), (117, 183543), (193, 111267), (317, 67743), (351, 61181), (579, 37089), (951, 22581), (1737, 12363), (2509, 8559), (2853, 7527), (4121, 5211)]