21819744

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:572

約数の個数: 72

約数和(自身を含む): 62506080

約数和(自身を除く): 40686336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 288, 317, 478, 634, 717, 951, 956, 1268, 1434, 1902, 1912, 2151, 2536, 2853, 2868, 3804, 3824, 4302, 5072, 5706, 5736, 7608, 7648, 8604, 10144, 11412, 11472, 15216, 17208, 22824, 22944, 30432, 34416, 45648, 68832, 75763, 91296, 151526, 227289, 303052, 454578, 606104, 681867, 909156, 1212208, 1363734, 1818312, 2424416, 2727468, 3636624, 5454936, 7273248, 10909872, 21819744]

約数ペア:

[(1, 21819744), (2, 10909872), (3, 7273248), (4, 5454936), (6, 3636624), (8, 2727468), (9, 2424416), (12, 1818312), (16, 1363734), (18, 1212208), (24, 909156), (32, 681867), (36, 606104), (48, 454578), (72, 303052), (96, 227289), (144, 151526), (239, 91296), (288, 75763), (317, 68832), (478, 45648), (634, 34416), (717, 30432), (951, 22944), (956, 22824), (1268, 17208), (1434, 15216), (1902, 11472), (1912, 11412), (2151, 10144), (2536, 8604), (2853, 7648), (2868, 7608), (3804, 5736), (3824, 5706), (4302, 5072)]