21000978838

素因数分解:

$2^1\times 7^1\times {\mathrm{1033}}^1\times {\mathrm{1452149}}^1$

素因数の和:1453191

約数の個数: 16

約数和(自身を含む): 36036554400

約数和(自身を除く): 15035575562

約数列:

[1, 2, 7, 14, 1033, 2066, 7231, 14462, 1452149, 2904298, 10165043, 20330086, 1500069917, 3000139834, 10500489419, 21000978838]

約数ペア:

[(1, 21000978838), (2, 10500489419), (7, 3000139834), (14, 1500069917), (1033, 20330086), (2066, 10165043), (7231, 2904298), (14462, 1452149)]