21014080

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:791

約数の個数: 56

約数和(自身を含む): 50630328

約数和(自身を除く): 29616248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 677, 776, 970, 1354, 1552, 1940, 2708, 3104, 3385, 3880, 5416, 6208, 6770, 7760, 10832, 13540, 15520, 21664, 27080, 31040, 43328, 54160, 65669, 108320, 131338, 216640, 262676, 328345, 525352, 656690, 1050704, 1313380, 2101408, 2626760, 4202816, 5253520, 10507040, 21014080]

約数ペア:

[(1, 21014080), (2, 10507040), (4, 5253520), (5, 4202816), (8, 2626760), (10, 2101408), (16, 1313380), (20, 1050704), (32, 656690), (40, 525352), (64, 328345), (80, 262676), (97, 216640), (160, 131338), (194, 108320), (320, 65669), (388, 54160), (485, 43328), (677, 31040), (776, 27080), (970, 21664), (1354, 15520), (1552, 13540), (1940, 10832), (2708, 7760), (3104, 6770), (3385, 6208), (3880, 5416)]