21505272

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52709}}^1$

素因数の和:52735

約数の個数: 32

約数和(自身を含む): 56926800

約数和(自身を除く): 35421528

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52709, 105418, 158127, 210836, 316254, 421672, 632508, 896053, 1265016, 1792106, 2688159, 3584212, 5376318, 7168424, 10752636, 21505272]

約数ペア:

[(1, 21505272), (2, 10752636), (3, 7168424), (4, 5376318), (6, 3584212), (8, 2688159), (12, 1792106), (17, 1265016), (24, 896053), (34, 632508), (51, 421672), (68, 316254), (102, 210836), (136, 158127), (204, 105418), (408, 52709)]