21588924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 59364480

約数和(自身を除く): 37775556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 139, 172, 258, 278, 301, 417, 516, 556, 602, 834, 903, 973, 1204, 1668, 1806, 1849, 1946, 2919, 3612, 3698, 3892, 5547, 5838, 5977, 7396, 11094, 11676, 11954, 12943, 17931, 22188, 23908, 25886, 35862, 38829, 41839, 51772, 71724, 77658, 83678, 125517, 155316, 167356, 251034, 257011, 502068, 514022, 771033, 1028044, 1542066, 1799077, 3084132, 3598154, 5397231, 7196308, 10794462, 21588924]

約数ペア:

[(1, 21588924), (2, 10794462), (3, 7196308), (4, 5397231), (6, 3598154), (7, 3084132), (12, 1799077), (14, 1542066), (21, 1028044), (28, 771033), (42, 514022), (43, 502068), (84, 257011), (86, 251034), (129, 167356), (139, 155316), (172, 125517), (258, 83678), (278, 77658), (301, 71724), (417, 51772), (516, 41839), (556, 38829), (602, 35862), (834, 25886), (903, 23908), (973, 22188), (1204, 17931), (1668, 12943), (1806, 11954), (1849, 11676), (1946, 11094), (2919, 7396), (3612, 5977), (3698, 5838), (3892, 5547)]