21744151

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 5834729

約数列:

[1, 11, 13, 19, 53, 143, 151, 209, 247, 583, 689, 1007, 1661, 1963, 2717, 2869, 7579, 8003, 11077, 13091, 21593, 31559, 37297, 88033, 104039, 144001, 152057, 410267, 1144429, 1672627, 1976741, 21744151]

約数ペア:

[(1, 21744151), (11, 1976741), (13, 1672627), (19, 1144429), (53, 410267), (143, 152057), (151, 144001), (209, 104039), (247, 88033), (583, 37297), (689, 31559), (1007, 21593), (1661, 13091), (1963, 11077), (2717, 8003), (2869, 7579)]