21322938

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 32302662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 637, 686, 797, 1029, 1274, 1594, 1911, 2058, 2391, 3822, 4459, 4782, 5579, 8918, 10361, 11158, 13377, 16737, 20722, 26754, 31083, 33474, 39053, 62166, 72527, 78106, 117159, 145054, 217581, 234318, 273371, 435162, 507689, 546742, 820113, 1015378, 1523067, 1640226, 3046134, 3553823, 7107646, 10661469, 21322938]

約数ペア:

[(1, 21322938), (2, 10661469), (3, 7107646), (6, 3553823), (7, 3046134), (13, 1640226), (14, 1523067), (21, 1015378), (26, 820113), (39, 546742), (42, 507689), (49, 435162), (78, 273371), (91, 234318), (98, 217581), (147, 145054), (182, 117159), (273, 78106), (294, 72527), (343, 62166), (546, 39053), (637, 33474), (686, 31083), (797, 26754), (1029, 20722), (1274, 16737), (1594, 13377), (1911, 11158), (2058, 10361), (2391, 8918), (3822, 5579), (4459, 4782)]