21001708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57697}}^1$

素因数の和:57721

約数の個数: 24

約数和(自身を含む): 45235232

約数和(自身を除く): 24233524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57697, 115394, 230788, 403879, 750061, 807758, 1500122, 1615516, 3000244, 5250427, 10500854, 21001708]

約数ペア:

[(1, 21001708), (2, 10500854), (4, 5250427), (7, 3000244), (13, 1615516), (14, 1500122), (26, 807758), (28, 750061), (52, 403879), (91, 230788), (182, 115394), (364, 57697)]