21028656

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{39827}}^1$

素因数の和:39849

約数の個数: 40

約数和(自身を含む): 59264064

約数和(自身を除く): 38235408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 39827, 79654, 119481, 159308, 238962, 318616, 438097, 477924, 637232, 876194, 955848, 1314291, 1752388, 1911696, 2628582, 3504776, 5257164, 7009552, 10514328, 21028656]

約数ペア:

[(1, 21028656), (2, 10514328), (3, 7009552), (4, 5257164), (6, 3504776), (8, 2628582), (11, 1911696), (12, 1752388), (16, 1314291), (22, 955848), (24, 876194), (33, 637232), (44, 477924), (48, 438097), (66, 318616), (88, 238962), (132, 159308), (176, 119481), (264, 79654), (528, 39827)]