21134555516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4377497}}^1$

素因数の和:4377589

約数の個数: 24

約数和(自身を含む): 39712661856

約数和(自身を除く): 18578106340

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 4377497, 8754994, 17509988, 74417449, 148834898, 297669796, 310802287, 621604574, 1243209148, 5283638879, 10567277758, 21134555516]

約数ペア:

[(1, 21134555516), (2, 10567277758), (4, 5283638879), (17, 1243209148), (34, 621604574), (68, 310802287), (71, 297669796), (142, 148834898), (284, 74417449), (1207, 17509988), (2414, 8754994), (4828, 4377497)]