21414456

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4721}}^1$

素因数の和:4746

約数の個数: 80

約数和(自身を含む): 68563440

約数和(自身を除く): 47148984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4721, 9442, 14163, 18884, 28326, 33047, 37768, 42489, 56652, 66094, 84978, 99141, 113304, 127467, 132188, 169956, 198282, 254934, 264376, 297423, 339912, 382401, 396564, 509868, 594846, 764802, 793128, 892269, 1019736, 1189692, 1529604, 1784538, 2379384, 2676807, 3059208, 3569076, 5353614, 7138152, 10707228, 21414456]

約数ペア:

[(1, 21414456), (2, 10707228), (3, 7138152), (4, 5353614), (6, 3569076), (7, 3059208), (8, 2676807), (9, 2379384), (12, 1784538), (14, 1529604), (18, 1189692), (21, 1019736), (24, 892269), (27, 793128), (28, 764802), (36, 594846), (42, 509868), (54, 396564), (56, 382401), (63, 339912), (72, 297423), (81, 264376), (84, 254934), (108, 198282), (126, 169956), (162, 132188), (168, 127467), (189, 113304), (216, 99141), (252, 84978), (324, 66094), (378, 56652), (504, 42489), (567, 37768), (648, 33047), (756, 28326), (1134, 18884), (1512, 14163), (2268, 9442), (4536, 4721)]