21162688

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 45427392

約数和(自身を除く): 24264704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 106, 136, 212, 272, 367, 424, 544, 734, 848, 901, 1088, 1468, 1696, 1802, 2936, 3392, 3604, 5872, 6239, 7208, 11744, 12478, 14416, 19451, 23488, 24956, 28832, 38902, 49912, 57664, 77804, 99824, 155608, 199648, 311216, 330667, 399296, 622432, 661334, 1244864, 1322668, 2645336, 5290672, 10581344, 21162688]

約数ペア:

[(1, 21162688), (2, 10581344), (4, 5290672), (8, 2645336), (16, 1322668), (17, 1244864), (32, 661334), (34, 622432), (53, 399296), (64, 330667), (68, 311216), (106, 199648), (136, 155608), (212, 99824), (272, 77804), (367, 57664), (424, 49912), (544, 38902), (734, 28832), (848, 24956), (901, 23488), (1088, 19451), (1468, 14416), (1696, 12478), (1802, 11744), (2936, 7208), (3392, 6239), (3604, 5872)]