21355434

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 51511680

約数和(自身を除く): 30156246

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 86, 102, 129, 153, 258, 306, 387, 459, 541, 731, 774, 918, 1082, 1161, 1462, 1623, 2193, 2322, 3246, 4386, 4869, 6579, 9197, 9738, 13158, 14607, 18394, 19737, 23263, 27591, 29214, 39474, 46526, 55182, 69789, 82773, 139578, 165546, 209367, 248319, 395471, 418734, 496638, 628101, 790942, 1186413, 1256202, 2372826, 3559239, 7118478, 10677717, 21355434]

約数ペア:

[(1, 21355434), (2, 10677717), (3, 7118478), (6, 3559239), (9, 2372826), (17, 1256202), (18, 1186413), (27, 790942), (34, 628101), (43, 496638), (51, 418734), (54, 395471), (86, 248319), (102, 209367), (129, 165546), (153, 139578), (258, 82773), (306, 69789), (387, 55182), (459, 46526), (541, 39474), (731, 29214), (774, 27591), (918, 23263), (1082, 19737), (1161, 18394), (1462, 14607), (1623, 13158), (2193, 9738), (2322, 9197), (3246, 6579), (4386, 4869)]