21062643

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13773837

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1439, 2091, 4317, 4879, 10073, 14637, 24463, 30219, 58999, 73389, 171241, 176997, 412993, 513723, 1002983, 1238979, 3008949, 7020881, 21062643]

約数ペア:

[(1, 21062643), (3, 7020881), (7, 3008949), (17, 1238979), (21, 1002983), (41, 513723), (51, 412993), (119, 176997), (123, 171241), (287, 73389), (357, 58999), (697, 30219), (861, 24463), (1439, 14637), (2091, 10073), (4317, 4879)]