21157350147

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{74551}}^1$

素因数の和:75040

約数の個数: 32

約数和(自身を含む): 32779023360

約数和(自身を除く): 11621673213

約数列:

[1, 3, 9, 23, 27, 69, 207, 457, 621, 1371, 4113, 10511, 12339, 31533, 74551, 94599, 223653, 283797, 670959, 1714673, 2012877, 5144019, 15432057, 34069807, 46296171, 102209421, 306628263, 783605561, 919884789, 2350816683, 7052450049, 21157350147]

約数ペア:

[(1, 21157350147), (3, 7052450049), (9, 2350816683), (23, 919884789), (27, 783605561), (69, 306628263), (207, 102209421), (457, 46296171), (621, 34069807), (1371, 15432057), (4113, 5144019), (10511, 2012877), (12339, 1714673), (31533, 670959), (74551, 283797), (94599, 223653)]