21759892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 29333612

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 43, 44, 53, 62, 77, 86, 106, 124, 154, 172, 212, 217, 301, 308, 341, 371, 434, 473, 583, 602, 682, 742, 868, 946, 1166, 1204, 1333, 1364, 1484, 1643, 1892, 2279, 2332, 2387, 2666, 3286, 3311, 4081, 4558, 4774, 5332, 6572, 6622, 8162, 9116, 9331, 9548, 11501, 13244, 14663, 15953, 16324, 18073, 18662, 23002, 25069, 29326, 31906, 36146, 37324, 46004, 50138, 58652, 63812, 70649, 72292, 100276, 102641, 126511, 141298, 175483, 205282, 253022, 282596, 350966, 410564, 494543, 506044, 701932, 777139, 989086, 1554278, 1978172, 3108556, 5439973, 10879946, 21759892]

約数ペア:

[(1, 21759892), (2, 10879946), (4, 5439973), (7, 3108556), (11, 1978172), (14, 1554278), (22, 989086), (28, 777139), (31, 701932), (43, 506044), (44, 494543), (53, 410564), (62, 350966), (77, 282596), (86, 253022), (106, 205282), (124, 175483), (154, 141298), (172, 126511), (212, 102641), (217, 100276), (301, 72292), (308, 70649), (341, 63812), (371, 58652), (434, 50138), (473, 46004), (583, 37324), (602, 36146), (682, 31906), (742, 29326), (868, 25069), (946, 23002), (1166, 18662), (1204, 18073), (1333, 16324), (1364, 15953), (1484, 14663), (1643, 13244), (1892, 11501), (2279, 9548), (2332, 9331), (2387, 9116), (2666, 8162), (3286, 6622), (3311, 6572), (4081, 5332), (4558, 4774)]