21318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 32

約数和(自身を含む): 51840

約数和(自身を除く): 30522

約数列:

[1, 2, 3, 6, 11, 17, 19, 22, 33, 34, 38, 51, 57, 66, 102, 114, 187, 209, 323, 374, 418, 561, 627, 646, 969, 1122, 1254, 1938, 3553, 7106, 10659, 21318]

約数ペア:

[(1, 21318), (2, 10659), (3, 7106), (6, 3553), (11, 1938), (17, 1254), (19, 1122), (22, 969), (33, 646), (34, 627), (38, 561), (51, 418), (57, 374), (66, 323), (102, 209), (114, 187)]