21819336196

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12774787}}^1$

素因数の和:12774859

約数の個数: 24

約数和(自身を含む): 44354063936

約数和(自身を除く): 22534727740

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12774787, 25549574, 51099148, 89423509, 178847018, 357694036, 779262007, 1558524014, 3117048028, 5454834049, 10909668098, 21819336196]

約数ペア:

[(1, 21819336196), (2, 10909668098), (4, 5454834049), (7, 3117048028), (14, 1558524014), (28, 779262007), (61, 357694036), (122, 178847018), (244, 89423509), (427, 51099148), (854, 25549574), (1708, 12774787)]