21625184

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3329}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 50349600

約数和(自身を除く): 28724416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 3329, 6496, 6658, 13316, 23303, 26632, 46606, 53264, 93212, 96541, 106528, 186424, 193082, 372848, 386164, 675787, 745696, 772328, 1351574, 1544656, 2703148, 3089312, 5406296, 10812592, 21625184]

約数ペア:

[(1, 21625184), (2, 10812592), (4, 5406296), (7, 3089312), (8, 2703148), (14, 1544656), (16, 1351574), (28, 772328), (29, 745696), (32, 675787), (56, 386164), (58, 372848), (112, 193082), (116, 186424), (203, 106528), (224, 96541), (232, 93212), (406, 53264), (464, 46606), (812, 26632), (928, 23303), (1624, 13316), (3248, 6658), (3329, 6496)]