21022425

素因数分解:

$3^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 37909404

約数和(自身を除く): 16886979

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 233, 401, 699, 1165, 1203, 2005, 2097, 3495, 3609, 5825, 6015, 10025, 10485, 17475, 18045, 30075, 52425, 90225, 93433, 280299, 467165, 840897, 1401495, 2335825, 4204485, 7007475, 21022425]

約数ペア:

[(1, 21022425), (3, 7007475), (5, 4204485), (9, 2335825), (15, 1401495), (25, 840897), (45, 467165), (75, 280299), (225, 93433), (233, 90225), (401, 52425), (699, 30075), (1165, 18045), (1203, 17475), (2005, 10485), (2097, 10025), (3495, 6015), (3609, 5825)]