21032634170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1\times {\mathrm{24953}}^1$

素因数の和:27710

約数の個数: 32

約数和(自身を含む): 39095930880

約数和(自身を除く): 18063296710

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2719, 5438, 13595, 24953, 27190, 49906, 84289, 124765, 168578, 249530, 421445, 773543, 842890, 1547086, 3867715, 7735430, 67847207, 135694414, 339236035, 678472070, 2103263417, 4206526834, 10516317085, 21032634170]

約数ペア:

[(1, 21032634170), (2, 10516317085), (5, 4206526834), (10, 2103263417), (31, 678472070), (62, 339236035), (155, 135694414), (310, 67847207), (2719, 7735430), (5438, 3867715), (13595, 1547086), (24953, 842890), (27190, 773543), (49906, 421445), (84289, 249530), (124765, 168578)]