21426188

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45013}}^1$

素因数の和:45041

約数の個数: 24

約数和(自身を含む): 45374112

約数和(自身を除く): 23947924

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45013, 90026, 180052, 315091, 630182, 765221, 1260364, 1530442, 3060884, 5356547, 10713094, 21426188]

約数ペア:

[(1, 21426188), (2, 10713094), (4, 5356547), (7, 3060884), (14, 1530442), (17, 1260364), (28, 765221), (34, 630182), (68, 315091), (119, 180052), (238, 90026), (476, 45013)]