21729065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1952

約数の個数: 16

約数和(自身を含む): 27678720

約数和(自身を除く): 5949655

約数列:

[1, 5, 19, 95, 127, 635, 1801, 2413, 9005, 12065, 34219, 171095, 228727, 1143635, 4345813, 21729065]

約数ペア:

[(1, 21729065), (5, 4345813), (19, 1143635), (95, 228727), (127, 171095), (635, 34219), (1801, 12065), (2413, 9005)]