21447398704

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28520477}}^1$

素因数の和:28520532

約数の個数: 20

約数和(自身を含む): 42438471264

約数和(自身を除く): 20991072560

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28520477, 57040954, 114081908, 228163816, 456327632, 1340462419, 2680924838, 5361849676, 10723699352, 21447398704]

約数ペア:

[(1, 21447398704), (2, 10723699352), (4, 5361849676), (8, 2680924838), (16, 1340462419), (47, 456327632), (94, 228163816), (188, 114081908), (376, 57040954), (752, 28520477)]