21850045

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11779}}^1$

素因数の和:11844

約数の個数: 16

約数和(自身を含む): 30533760

約数和(自身を除く): 8683715

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 11779, 58895, 82453, 412265, 624287, 3121435, 4370009, 21850045]

約数ペア:

[(1, 21850045), (5, 4370009), (7, 3121435), (35, 624287), (53, 412265), (265, 82453), (371, 58895), (1855, 11779)]