21470325

素因数分解:

$3^1\times 5^2\times {\mathrm{467}}^1\times {\mathrm{613}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 35631648

約数和(自身を除く): 14161323

約数列:

[1, 3, 5, 15, 25, 75, 467, 613, 1401, 1839, 2335, 3065, 7005, 9195, 11675, 15325, 35025, 45975, 286271, 858813, 1431355, 4294065, 7156775, 21470325]

約数ペア:

[(1, 21470325), (3, 7156775), (5, 4294065), (15, 1431355), (25, 858813), (75, 286271), (467, 45975), (613, 35025), (1401, 15325), (1839, 11675), (2335, 9195), (3065, 7005)]