21096625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 29278080

約数和(自身を除く): 8181455

約数列:

[1, 5, 11, 25, 55, 67, 125, 229, 275, 335, 737, 1145, 1375, 1675, 2519, 3685, 5725, 8375, 12595, 15343, 18425, 28625, 62975, 76715, 92125, 168773, 314875, 383575, 843865, 1917875, 4219325, 21096625]

約数ペア:

[(1, 21096625), (5, 4219325), (11, 1917875), (25, 843865), (55, 383575), (67, 314875), (125, 168773), (229, 92125), (275, 76715), (335, 62975), (737, 28625), (1145, 18425), (1375, 15343), (1675, 12595), (2519, 8375), (3685, 5725)]