21841617

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 35534592

約数和(自身を除く): 13692975

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 317, 357, 579, 951, 1351, 2219, 3281, 4053, 5389, 6657, 9843, 16167, 22967, 37723, 61181, 68901, 113169, 183543, 428267, 1040077, 1284801, 3120231, 7280539, 21841617]

約数ペア:

[(1, 21841617), (3, 7280539), (7, 3120231), (17, 1284801), (21, 1040077), (51, 428267), (119, 183543), (193, 113169), (317, 68901), (357, 61181), (579, 37723), (951, 22967), (1351, 16167), (2219, 9843), (3281, 6657), (4053, 5389)]