21160275

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4211}}^1$

素因数の和:4291

約数の個数: 24

約数和(自身を含む): 35515584

約数和(自身を除く): 14355309

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4211, 5025, 12633, 21055, 63165, 105275, 282137, 315825, 846411, 1410685, 4232055, 7053425, 21160275]

約数ペア:

[(1, 21160275), (3, 7053425), (5, 4232055), (15, 1410685), (25, 846411), (67, 315825), (75, 282137), (201, 105275), (335, 63165), (1005, 21055), (1675, 12633), (4211, 5025)]