21071726704

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{843679}}^1$

素因数の和:843917

約数の個数: 40

約数和(自身を含む): 46868111360

約数和(自身を除く): 25796384656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 12488, 24976, 843679, 1687358, 3374716, 5905753, 6749432, 11811506, 13498864, 23623012, 47246024, 94492048, 188140417, 376280834, 752561668, 1316982919, 1505123336, 2633965838, 3010246672, 5267931676, 10535863352, 21071726704]

約数ペア:

[(1, 21071726704), (2, 10535863352), (4, 5267931676), (7, 3010246672), (8, 2633965838), (14, 1505123336), (16, 1316982919), (28, 752561668), (56, 376280834), (112, 188140417), (223, 94492048), (446, 47246024), (892, 23623012), (1561, 13498864), (1784, 11811506), (3122, 6749432), (3568, 5905753), (6244, 3374716), (12488, 1687358), (24976, 843679)]