21602825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 28123200

約数和(自身を除く): 6520375

約数列:

[1, 5, 25, 29, 83, 145, 359, 415, 725, 1795, 2075, 2407, 8975, 10411, 12035, 29797, 52055, 60175, 148985, 260275, 744925, 864113, 4320565, 21602825]

約数ペア:

[(1, 21602825), (5, 4320565), (25, 864113), (29, 744925), (83, 260275), (145, 148985), (359, 60175), (415, 52055), (725, 29797), (1795, 12035), (2075, 10411), (2407, 8975)]