21305952

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2596

約数の個数: 72

約数和(自身を含む): 62702640

約数和(自身を除く): 41396688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2551, 2784, 4176, 5102, 7653, 8352, 10204, 15306, 20408, 22959, 30612, 40816, 45918, 61224, 73979, 81632, 91836, 122448, 147958, 183672, 221937, 244896, 295916, 367344, 443874, 591832, 665811, 734688, 887748, 1183664, 1331622, 1775496, 2367328, 2663244, 3550992, 5326488, 7101984, 10652976, 21305952]

約数ペア:

[(1, 21305952), (2, 10652976), (3, 7101984), (4, 5326488), (6, 3550992), (8, 2663244), (9, 2367328), (12, 1775496), (16, 1331622), (18, 1183664), (24, 887748), (29, 734688), (32, 665811), (36, 591832), (48, 443874), (58, 367344), (72, 295916), (87, 244896), (96, 221937), (116, 183672), (144, 147958), (174, 122448), (232, 91836), (261, 81632), (288, 73979), (348, 61224), (464, 45918), (522, 40816), (696, 30612), (928, 22959), (1044, 20408), (1392, 15306), (2088, 10204), (2551, 8352), (2784, 7653), (4176, 5102)]