21458047

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 23933952

約数和(自身を除く): 2475905

約数列:

[1, 13, 41, 127, 317, 533, 1651, 4121, 5207, 12997, 40259, 67691, 168961, 523367, 1650619, 21458047]

約数ペア:

[(1, 21458047), (13, 1650619), (41, 523367), (127, 168961), (317, 67691), (533, 40259), (1651, 12997), (4121, 5207)]