21634455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2293}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 37658304

約数和(自身を除く): 16023849

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2293, 3145, 6879, 9435, 11465, 34395, 38981, 84841, 116943, 194905, 254523, 424205, 584715, 1272615, 1442297, 4326891, 7211485, 21634455]

約数ペア:

[(1, 21634455), (3, 7211485), (5, 4326891), (15, 1442297), (17, 1272615), (37, 584715), (51, 424205), (85, 254523), (111, 194905), (185, 116943), (255, 84841), (555, 38981), (629, 34395), (1887, 11465), (2293, 9435), (3145, 6879)]