21658336

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3167

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 28661024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3119, 3472, 6238, 6944, 12476, 21833, 24952, 43666, 49904, 87332, 96689, 99808, 174664, 193378, 349328, 386756, 676823, 698656, 773512, 1353646, 1547024, 2707292, 3094048, 5414584, 10829168, 21658336]

約数ペア:

[(1, 21658336), (2, 10829168), (4, 5414584), (7, 3094048), (8, 2707292), (14, 1547024), (16, 1353646), (28, 773512), (31, 698656), (32, 676823), (56, 386756), (62, 349328), (112, 193378), (124, 174664), (217, 99808), (224, 96689), (248, 87332), (434, 49904), (496, 43666), (868, 24952), (992, 21833), (1736, 12476), (3119, 6944), (3472, 6238)]