21848404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4049}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 40824000

約数和(自身を除く): 18975596

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 4049, 5396, 8098, 16196, 76931, 153862, 287479, 307724, 574958, 1149916, 5462101, 10924202, 21848404]

約数ペア:

[(1, 21848404), (2, 10924202), (4, 5462101), (19, 1149916), (38, 574958), (71, 307724), (76, 287479), (142, 153862), (284, 76931), (1349, 16196), (2698, 8098), (4049, 5396)]