21817404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28859}}^1$

素因数の和:28879

約数の個数: 48

約数和(自身を含む): 64646400

約数和(自身を除く): 42828996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28859, 57718, 86577, 115436, 173154, 202013, 259731, 346308, 404026, 519462, 606039, 779193, 808052, 1038924, 1212078, 1558386, 1818117, 2424156, 3116772, 3636234, 5454351, 7272468, 10908702, 21817404]

約数ペア:

[(1, 21817404), (2, 10908702), (3, 7272468), (4, 5454351), (6, 3636234), (7, 3116772), (9, 2424156), (12, 1818117), (14, 1558386), (18, 1212078), (21, 1038924), (27, 808052), (28, 779193), (36, 606039), (42, 519462), (54, 404026), (63, 346308), (84, 259731), (108, 202013), (126, 173154), (189, 115436), (252, 86577), (378, 57718), (756, 28859)]