21223425

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4713

約数の個数: 24

約数和(自身を含む): 35672320

約数和(自身を除く): 14448895

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4639, 13917, 23195, 69585, 115975, 282979, 347925, 848937, 1414895, 4244685, 7074475, 21223425]

約数ペア:

[(1, 21223425), (3, 7074475), (5, 4244685), (15, 1414895), (25, 848937), (61, 347925), (75, 282979), (183, 115975), (305, 69585), (915, 23195), (1525, 13917), (4575, 4639)]