12721424

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{11867}}^1$

素因数の和:11942

約数の個数: 20

約数和(自身を含む): 25017744

約数和(自身を除く): 12296320

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 11867, 23734, 47468, 94936, 189872, 795089, 1590178, 3180356, 6360712, 12721424]

約数ペア:

[(1, 12721424), (2, 6360712), (4, 3180356), (8, 1590178), (16, 795089), (67, 189872), (134, 94936), (268, 47468), (536, 23734), (1072, 11867)]