21184964

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1009}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 38602200

約数和(自身を除く): 17417236

約数列:

[1, 2, 4, 29, 58, 116, 181, 362, 724, 1009, 2018, 4036, 5249, 10498, 20996, 29261, 58522, 117044, 182629, 365258, 730516, 5296241, 10592482, 21184964]

約数ペア:

[(1, 21184964), (2, 10592482), (4, 5296241), (29, 730516), (58, 365258), (116, 182629), (181, 117044), (362, 58522), (724, 29261), (1009, 20996), (2018, 10498), (4036, 5249)]