21958245

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7283}}^1$

素因数の和:7361

約数の個数: 24

約数和(自身を含む): 38634336

約数和(自身を除く): 16676091

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 7283, 21849, 36415, 65547, 109245, 327735, 487961, 1463883, 2439805, 4391649, 7319415, 21958245]

約数ペア:

[(1, 21958245), (3, 7319415), (5, 4391649), (9, 2439805), (15, 1463883), (45, 487961), (67, 327735), (201, 109245), (335, 65547), (603, 36415), (1005, 21849), (3015, 7283)]