21432700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2713}}^1$

素因数の和:2806

約数の個数: 36

約数和(自身を含む): 47115040

約数和(自身を除く): 25682340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2713, 3950, 5426, 7900, 10852, 13565, 27130, 54260, 67825, 135650, 214327, 271300, 428654, 857308, 1071635, 2143270, 4286540, 5358175, 10716350, 21432700]

約数ペア:

[(1, 21432700), (2, 10716350), (4, 5358175), (5, 4286540), (10, 2143270), (20, 1071635), (25, 857308), (50, 428654), (79, 271300), (100, 214327), (158, 135650), (316, 67825), (395, 54260), (790, 27130), (1580, 13565), (1975, 10852), (2713, 7900), (3950, 5426)]