21003424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1741}}^1$

素因数の和:1793

約数の個数: 48

約数和(自身を含む): 46093320

約数和(自身を除く): 25089896

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 1741, 3016, 3482, 6032, 6964, 12064, 13928, 22633, 27856, 45266, 50489, 55712, 90532, 100978, 181064, 201956, 362128, 403912, 656357, 724256, 807824, 1312714, 1615648, 2625428, 5250856, 10501712, 21003424]

約数ペア:

[(1, 21003424), (2, 10501712), (4, 5250856), (8, 2625428), (13, 1615648), (16, 1312714), (26, 807824), (29, 724256), (32, 656357), (52, 403912), (58, 362128), (104, 201956), (116, 181064), (208, 100978), (232, 90532), (377, 55712), (416, 50489), (464, 45266), (754, 27856), (928, 22633), (1508, 13928), (1741, 12064), (3016, 6964), (3482, 6032)]