21275604

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1723}}^1$

素因数の和:1754

約数の個数: 72

約数和(自身を含む): 62753600

約数和(自身を除く): 41477996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1723, 1764, 2058, 3087, 3446, 4116, 5169, 6174, 6892, 10338, 12061, 12348, 15507, 20676, 24122, 31014, 36183, 48244, 62028, 72366, 84427, 108549, 144732, 168854, 217098, 253281, 337708, 434196, 506562, 590989, 759843, 1013124, 1181978, 1519686, 1772967, 2363956, 3039372, 3545934, 5318901, 7091868, 10637802, 21275604]

約数ペア:

[(1, 21275604), (2, 10637802), (3, 7091868), (4, 5318901), (6, 3545934), (7, 3039372), (9, 2363956), (12, 1772967), (14, 1519686), (18, 1181978), (21, 1013124), (28, 759843), (36, 590989), (42, 506562), (49, 434196), (63, 337708), (84, 253281), (98, 217098), (126, 168854), (147, 144732), (196, 108549), (252, 84427), (294, 72366), (343, 62028), (441, 48244), (588, 36183), (686, 31014), (882, 24122), (1029, 20676), (1372, 15507), (1723, 12348), (1764, 12061), (2058, 10338), (3087, 6892), (3446, 6174), (4116, 5169)]