21923425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 28286136

約数和(自身を除く): 6362711

約数列:

[1, 5, 25, 37, 137, 173, 185, 685, 865, 925, 3425, 4325, 5069, 6401, 23701, 25345, 32005, 118505, 126725, 160025, 592525, 876937, 4384685, 21923425]

約数ペア:

[(1, 21923425), (5, 4384685), (25, 876937), (37, 592525), (137, 160025), (173, 126725), (185, 118505), (685, 32005), (865, 25345), (925, 23701), (3425, 6401), (4325, 5069)]