21405712

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46133}}^1$

素因数の和:46170

約数の個数: 20

約数和(自身を含む): 42904620

約数和(自身を除く): 21498908

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46133, 92266, 184532, 369064, 738128, 1337857, 2675714, 5351428, 10702856, 21405712]

約数ペア:

[(1, 21405712), (2, 10702856), (4, 5351428), (8, 2675714), (16, 1337857), (29, 738128), (58, 369064), (116, 184532), (232, 92266), (464, 46133)]