21298926

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 29213970

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 41, 51, 66, 82, 102, 123, 187, 246, 374, 451, 463, 561, 697, 902, 926, 1122, 1353, 1389, 1394, 2091, 2706, 2778, 4182, 5093, 7667, 7871, 10186, 15279, 15334, 15742, 18983, 23001, 23613, 30558, 37966, 46002, 47226, 56949, 86581, 113898, 173162, 208813, 259743, 322711, 417626, 519486, 626439, 645422, 968133, 1252878, 1936266, 3549821, 7099642, 10649463, 21298926]

約数ペア:

[(1, 21298926), (2, 10649463), (3, 7099642), (6, 3549821), (11, 1936266), (17, 1252878), (22, 968133), (33, 645422), (34, 626439), (41, 519486), (51, 417626), (66, 322711), (82, 259743), (102, 208813), (123, 173162), (187, 113898), (246, 86581), (374, 56949), (451, 47226), (463, 46002), (561, 37966), (697, 30558), (902, 23613), (926, 23001), (1122, 18983), (1353, 15742), (1389, 15334), (1394, 15279), (2091, 10186), (2706, 7871), (2778, 7667), (4182, 5093)]