21059096575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1\times {\mathrm{1459}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 28937433600

約数和(自身を除く): 7878337025

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 719, 803, 1459, 1825, 3595, 4015, 7295, 7909, 16049, 17975, 20075, 36475, 39545, 52487, 80245, 106507, 197725, 262435, 401225, 532535, 577357, 1049021, 1171577, 1312175, 2662675, 2886785, 5245105, 5857885, 11539231, 14433925, 26225525, 29289425, 57696155, 76578533, 288480775, 382892665, 842363863, 1914463325, 4211819315, 21059096575]

約数ペア:

[(1, 21059096575), (5, 4211819315), (11, 1914463325), (25, 842363863), (55, 382892665), (73, 288480775), (275, 76578533), (365, 57696155), (719, 29289425), (803, 26225525), (1459, 14433925), (1825, 11539231), (3595, 5857885), (4015, 5245105), (7295, 2886785), (7909, 2662675), (16049, 1312175), (17975, 1171577), (20075, 1049021), (36475, 577357), (39545, 532535), (52487, 401225), (80245, 262435), (106507, 197725)]