21126464

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3709}}^1$

素因数の和:3810

約数の個数: 28

約数和(自身を含む): 42405300

約数和(自身を除く): 21278836

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3709, 5696, 7418, 14836, 29672, 59344, 118688, 237376, 330101, 660202, 1320404, 2640808, 5281616, 10563232, 21126464]

約数ペア:

[(1, 21126464), (2, 10563232), (4, 5281616), (8, 2640808), (16, 1320404), (32, 660202), (64, 330101), (89, 237376), (178, 118688), (356, 59344), (712, 29672), (1424, 14836), (2848, 7418), (3709, 5696)]