21366856

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4597}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 46347840

約数和(自身を除く): 24980984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4597, 4648, 9194, 18388, 32179, 36776, 64358, 128716, 257432, 381551, 763102, 1526204, 2670857, 3052408, 5341714, 10683428, 21366856]

約数ペア:

[(1, 21366856), (2, 10683428), (4, 5341714), (7, 3052408), (8, 2670857), (14, 1526204), (28, 763102), (56, 381551), (83, 257432), (166, 128716), (332, 64358), (581, 36776), (664, 32179), (1162, 18388), (2324, 9194), (4597, 4648)]