21748700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2753}}^1$

素因数の和:2846

約数の個数: 36

約数和(自身を含む): 47809440

約数和(自身を除く): 26060740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2753, 3950, 5506, 7900, 11012, 13765, 27530, 55060, 68825, 137650, 217487, 275300, 434974, 869948, 1087435, 2174870, 4349740, 5437175, 10874350, 21748700]

約数ペア:

[(1, 21748700), (2, 10874350), (4, 5437175), (5, 4349740), (10, 2174870), (20, 1087435), (25, 869948), (50, 434974), (79, 275300), (100, 217487), (158, 137650), (316, 68825), (395, 55060), (790, 27530), (1580, 13765), (1975, 11012), (2753, 7900), (3950, 5506)]