21595808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51913}}^1$

素因数の和:51936

約数の個数: 24

約数和(自身を含む): 45788148

約数和(自身を除く): 24192340

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51913, 103826, 207652, 415304, 674869, 830608, 1349738, 1661216, 2699476, 5398952, 10797904, 21595808]

約数ペア:

[(1, 21595808), (2, 10797904), (4, 5398952), (8, 2699476), (13, 1661216), (16, 1349738), (26, 830608), (32, 674869), (52, 415304), (104, 207652), (208, 103826), (416, 51913)]