21228318

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{2221}}^1$

素因数の和:2294

約数の個数: 40

約数和(自身を含む): 48395160

約数和(自身を除く): 27166842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 354, 531, 1062, 1593, 2221, 3186, 4442, 4779, 6663, 9558, 13326, 19989, 39978, 59967, 119934, 131039, 179901, 262078, 359802, 393117, 786234, 1179351, 2358702, 3538053, 7076106, 10614159, 21228318]

約数ペア:

[(1, 21228318), (2, 10614159), (3, 7076106), (6, 3538053), (9, 2358702), (18, 1179351), (27, 786234), (54, 393117), (59, 359802), (81, 262078), (118, 179901), (162, 131039), (177, 119934), (354, 59967), (531, 39978), (1062, 19989), (1593, 13326), (2221, 9558), (3186, 6663), (4442, 4779)]