21740925

素因数分解:

$3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{1277}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 36131616

約数和(自身を除く): 14390691

約数列:

[1, 3, 5, 15, 25, 75, 227, 681, 1135, 1277, 3405, 3831, 5675, 6385, 17025, 19155, 31925, 95775, 289879, 869637, 1449395, 4348185, 7246975, 21740925]

約数ペア:

[(1, 21740925), (3, 7246975), (5, 4348185), (15, 1449395), (25, 869637), (75, 289879), (227, 95775), (681, 31925), (1135, 19155), (1277, 17025), (3405, 6385), (3831, 5675)]