21992150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{523}}^1$

素因数の和:593

約数の個数: 36

約数和(自身を含む): 42445572

約数和(自身を除く): 20453422

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 523, 725, 841, 1046, 1450, 1682, 2615, 4205, 5230, 8410, 13075, 15167, 21025, 26150, 30334, 42050, 75835, 151670, 379175, 439843, 758350, 879686, 2199215, 4398430, 10996075, 21992150]

約数ペア:

[(1, 21992150), (2, 10996075), (5, 4398430), (10, 2199215), (25, 879686), (29, 758350), (50, 439843), (58, 379175), (145, 151670), (290, 75835), (523, 42050), (725, 30334), (841, 26150), (1046, 21025), (1450, 15167), (1682, 13075), (2615, 8410), (4205, 5230)]