21953334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3391}}^1$

素因数の和:3492

約数の個数: 32

約数和(自身を含む): 47867904

約数和(自身を除く): 25914570

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 3237, 3391, 6474, 6782, 10173, 20346, 44083, 88166, 132249, 264498, 281453, 562906, 844359, 1688718, 3658889, 7317778, 10976667, 21953334]

約数ペア:

[(1, 21953334), (2, 10976667), (3, 7317778), (6, 3658889), (13, 1688718), (26, 844359), (39, 562906), (78, 281453), (83, 264498), (166, 132249), (249, 88166), (498, 44083), (1079, 20346), (2158, 10173), (3237, 6782), (3391, 6474)]