21821506

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 39871872

約数和(自身を除く): 18050366

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 277, 331, 554, 662, 1939, 2317, 3878, 4634, 4709, 5627, 9418, 11254, 32963, 39389, 65926, 78778, 91687, 183374, 641809, 1283618, 1558679, 3117358, 10910753, 21821506]

約数ペア:

[(1, 21821506), (2, 10910753), (7, 3117358), (14, 1558679), (17, 1283618), (34, 641809), (119, 183374), (238, 91687), (277, 78778), (331, 65926), (554, 39389), (662, 32963), (1939, 11254), (2317, 9418), (3878, 5627), (4634, 4709)]