21242375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2207}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 33067008

約数和(自身を除く): 11824633

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2207, 9625, 11035, 15449, 24277, 55175, 77245, 121385, 169939, 275875, 386225, 606925, 849695, 1931125, 3034625, 4248475, 21242375]

約数ペア:

[(1, 21242375), (5, 4248475), (7, 3034625), (11, 1931125), (25, 849695), (35, 606925), (55, 386225), (77, 275875), (125, 169939), (175, 121385), (275, 77245), (385, 55175), (875, 24277), (1375, 15449), (1925, 11035), (2207, 9625)]