21477906

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{17293}}^1$

素因数の和:17327

約数の個数: 32

約数和(自身を含む): 49806720

約数和(自身を除く): 28328814

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 17293, 34586, 51879, 103758, 155637, 311274, 397739, 466911, 795478, 933822, 1193217, 2386434, 3579651, 7159302, 10738953, 21477906]

約数ペア:

[(1, 21477906), (2, 10738953), (3, 7159302), (6, 3579651), (9, 2386434), (18, 1193217), (23, 933822), (27, 795478), (46, 466911), (54, 397739), (69, 311274), (138, 155637), (207, 103758), (414, 51879), (621, 34586), (1242, 17293)]