21009348

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11443}}^1$

素因数の和:11473

約数の個数: 48

約数和(自身を含む): 57677760

約数和(自身を除く): 36668412

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11443, 22886, 34329, 45772, 68658, 102987, 137316, 194531, 205974, 308961, 389062, 411948, 583593, 617922, 778124, 1167186, 1235844, 1750779, 2334372, 3501558, 5252337, 7003116, 10504674, 21009348]

約数ペア:

[(1, 21009348), (2, 10504674), (3, 7003116), (4, 5252337), (6, 3501558), (9, 2334372), (12, 1750779), (17, 1235844), (18, 1167186), (27, 778124), (34, 617922), (36, 583593), (51, 411948), (54, 389062), (68, 308961), (102, 205974), (108, 194531), (153, 137316), (204, 102987), (306, 68658), (459, 45772), (612, 34329), (918, 22886), (1836, 11443)]