21996243352

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{563}}^1\times {\mathrm{9787}}^1$

素因数の和:10855

約数の個数: 32

約数和(自身を含む): 41403240000

約数和(自身を除く): 19406996648

約数列:

[1, 2, 4, 8, 499, 563, 998, 1126, 1996, 2252, 3992, 4504, 9787, 19574, 39148, 78296, 280937, 561874, 1123748, 2247496, 4883713, 5510081, 9767426, 11020162, 19534852, 22040324, 39069704, 44080648, 2749530419, 5499060838, 10998121676, 21996243352]

約数ペア:

[(1, 21996243352), (2, 10998121676), (4, 5499060838), (8, 2749530419), (499, 44080648), (563, 39069704), (998, 22040324), (1126, 19534852), (1996, 11020162), (2252, 9767426), (3992, 5510081), (4504, 4883713), (9787, 2247496), (19574, 1123748), (39148, 561874), (78296, 280937)]