21821044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41017}}^1$

素因数の和:41047

約数の個数: 24

約数和(自身を含む): 45940160

約数和(自身を除く): 24119116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41017, 82034, 164068, 287119, 574238, 779323, 1148476, 1558646, 3117292, 5455261, 10910522, 21821044]

約数ペア:

[(1, 21821044), (2, 10910522), (4, 5455261), (7, 3117292), (14, 1558646), (19, 1148476), (28, 779323), (38, 574238), (76, 287119), (133, 164068), (266, 82034), (532, 41017)]