21135252

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 52214400

約数和(自身を除く): 31079148

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 1049, 1679, 2098, 3147, 3358, 4196, 5037, 6294, 6716, 10074, 12588, 20148, 24127, 48254, 72381, 76577, 96508, 144762, 153154, 229731, 289524, 306308, 459462, 918924, 1761271, 3522542, 5283813, 7045084, 10567626, 21135252]

約数ペア:

[(1, 21135252), (2, 10567626), (3, 7045084), (4, 5283813), (6, 3522542), (12, 1761271), (23, 918924), (46, 459462), (69, 306308), (73, 289524), (92, 229731), (138, 153154), (146, 144762), (219, 96508), (276, 76577), (292, 72381), (438, 48254), (876, 24127), (1049, 20148), (1679, 12588), (2098, 10074), (3147, 6716), (3358, 6294), (4196, 5037)]