21148008

素因数分解:

$2^3\times 3^1\times 7^4\times {\mathrm{367}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 61846080

約数和(自身を除く): 40698072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 367, 392, 588, 686, 734, 1029, 1101, 1176, 1372, 1468, 2058, 2202, 2401, 2569, 2744, 2936, 4116, 4404, 4802, 5138, 7203, 7707, 8232, 8808, 9604, 10276, 14406, 15414, 17983, 19208, 20552, 28812, 30828, 35966, 53949, 57624, 61656, 71932, 107898, 125881, 143864, 215796, 251762, 377643, 431592, 503524, 755286, 881167, 1007048, 1510572, 1762334, 2643501, 3021144, 3524668, 5287002, 7049336, 10574004, 21148008]

約数ペア:

[(1, 21148008), (2, 10574004), (3, 7049336), (4, 5287002), (6, 3524668), (7, 3021144), (8, 2643501), (12, 1762334), (14, 1510572), (21, 1007048), (24, 881167), (28, 755286), (42, 503524), (49, 431592), (56, 377643), (84, 251762), (98, 215796), (147, 143864), (168, 125881), (196, 107898), (294, 71932), (343, 61656), (367, 57624), (392, 53949), (588, 35966), (686, 30828), (734, 28812), (1029, 20552), (1101, 19208), (1176, 17983), (1372, 15414), (1468, 14406), (2058, 10276), (2202, 9604), (2401, 8808), (2569, 8232), (2744, 7707), (2936, 7203), (4116, 5138), (4404, 4802)]