21062223

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25717}}^1$

素因数の和:25743

約数の個数: 24

約数和(自身を含む): 37445408

約数和(自身を除く): 16383185

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25717, 77151, 180019, 231453, 334321, 540057, 1002963, 1620171, 2340247, 3008889, 7020741, 21062223]

約数ペア:

[(1, 21062223), (3, 7020741), (7, 3008889), (9, 2340247), (13, 1620171), (21, 1002963), (39, 540057), (63, 334321), (91, 231453), (117, 180019), (273, 77151), (819, 25717)]