21404632

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5077}}^1$

素因数の和:5131

約数の個数: 32

約数和(自身を含む): 43873920

約数和(自身を除く): 22469288

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 5077, 10154, 20308, 40616, 86309, 157387, 172618, 314774, 345236, 629548, 690472, 1259096, 2675579, 5351158, 10702316, 21404632]

約数ペア:

[(1, 21404632), (2, 10702316), (4, 5351158), (8, 2675579), (17, 1259096), (31, 690472), (34, 629548), (62, 345236), (68, 314774), (124, 172618), (136, 157387), (248, 86309), (527, 40616), (1054, 20308), (2108, 10154), (4216, 5077)]