21621722

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2777}}^1$

素因数の和:3025

約数の個数: 16

約数和(自身を含む): 34502760

約数和(自身を除く): 12881038

約数列:

[1, 2, 17, 34, 229, 458, 2777, 3893, 5554, 7786, 47209, 94418, 635933, 1271866, 10810861, 21621722]

約数ペア:

[(1, 21621722), (2, 10810861), (17, 1271866), (34, 635933), (229, 94418), (458, 47209), (2777, 7786), (3893, 5554)]