21234493442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{279541}}^1$

素因数の和:281561

約数の個数: 16

約数和(自身を含む): 33545040000

約数和(自身を除く): 12310546558

約数列:

[1, 2, 19, 38, 1999, 3998, 37981, 75962, 279541, 559082, 5311279, 10622558, 558802459, 1117604918, 10617246721, 21234493442]

約数ペア:

[(1, 21234493442), (2, 10617246721), (19, 1117604918), (38, 558802459), (1999, 10622558), (3998, 5311279), (37981, 559082), (75962, 279541)]