21501744

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 61198464

約数和(自身を除く): 39696720

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 193, 211, 264, 386, 422, 528, 579, 633, 772, 844, 1158, 1266, 1544, 1688, 2123, 2316, 2321, 2532, 3088, 3376, 4246, 4632, 4642, 5064, 6369, 6963, 8492, 9264, 9284, 10128, 12738, 13926, 16984, 18568, 25476, 27852, 33968, 37136, 40723, 50952, 55704, 81446, 101904, 111408, 122169, 162892, 244338, 325784, 447953, 488676, 651568, 895906, 977352, 1343859, 1791812, 1954704, 2687718, 3583624, 5375436, 7167248, 10750872, 21501744]

約数ペア:

[(1, 21501744), (2, 10750872), (3, 7167248), (4, 5375436), (6, 3583624), (8, 2687718), (11, 1954704), (12, 1791812), (16, 1343859), (22, 977352), (24, 895906), (33, 651568), (44, 488676), (48, 447953), (66, 325784), (88, 244338), (132, 162892), (176, 122169), (193, 111408), (211, 101904), (264, 81446), (386, 55704), (422, 50952), (528, 40723), (579, 37136), (633, 33968), (772, 27852), (844, 25476), (1158, 18568), (1266, 16984), (1544, 13926), (1688, 12738), (2123, 10128), (2316, 9284), (2321, 9264), (2532, 8492), (3088, 6963), (3376, 6369), (4246, 5064), (4632, 4642)]