21932408

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 42556800

約数和(自身を除く): 20624392

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 619, 824, 1238, 2476, 4429, 4952, 8858, 17716, 26617, 35432, 53234, 63757, 106468, 127514, 212936, 255028, 510056, 2741551, 5483102, 10966204, 21932408]

約数ペア:

[(1, 21932408), (2, 10966204), (4, 5483102), (8, 2741551), (43, 510056), (86, 255028), (103, 212936), (172, 127514), (206, 106468), (344, 63757), (412, 53234), (619, 35432), (824, 26617), (1238, 17716), (2476, 8858), (4429, 4952)]