21927125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 8803627

約数列:

[1, 5, 11, 25, 37, 55, 125, 185, 275, 407, 431, 925, 1375, 2035, 2155, 4625, 4741, 10175, 10775, 15947, 23705, 50875, 53875, 79735, 118525, 175417, 398675, 592625, 877085, 1993375, 4385425, 21927125]

約数ペア:

[(1, 21927125), (5, 4385425), (11, 1993375), (25, 877085), (37, 592625), (55, 398675), (125, 175417), (185, 118525), (275, 79735), (407, 53875), (431, 50875), (925, 23705), (1375, 15947), (2035, 10775), (2155, 10175), (4625, 4741)]