21729978

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23671}}^1$

素因数の和:23699

約数の個数: 32

約数和(自身を含む): 51131520

約数和(自身を除く): 29401542

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 23671, 47342, 71013, 142026, 213039, 402407, 426078, 639117, 804814, 1207221, 1278234, 2414442, 3621663, 7243326, 10864989, 21729978]

約数ペア:

[(1, 21729978), (2, 10864989), (3, 7243326), (6, 3621663), (9, 2414442), (17, 1278234), (18, 1207221), (27, 804814), (34, 639117), (51, 426078), (54, 402407), (102, 213039), (153, 142026), (306, 71013), (459, 47342), (918, 23671)]