21361184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51349}}^1$

素因数の和:51372

約数の個数: 24

約数和(自身を含む): 45290700

約数和(自身を除く): 23929516

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51349, 102698, 205396, 410792, 667537, 821584, 1335074, 1643168, 2670148, 5340296, 10680592, 21361184]

約数ペア:

[(1, 21361184), (2, 10680592), (4, 5340296), (8, 2670148), (13, 1643168), (16, 1335074), (26, 821584), (32, 667537), (52, 410792), (104, 205396), (208, 102698), (416, 51349)]