21391100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12583}}^1$

素因数の和:12614

約数の個数: 36

約数和(自身を含む): 49153104

約数和(自身を除く): 27762004

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12583, 25166, 50332, 62915, 125830, 213911, 251660, 314575, 427822, 629150, 855644, 1069555, 1258300, 2139110, 4278220, 5347775, 10695550, 21391100]

約数ペア:

[(1, 21391100), (2, 10695550), (4, 5347775), (5, 4278220), (10, 2139110), (17, 1258300), (20, 1069555), (25, 855644), (34, 629150), (50, 427822), (68, 314575), (85, 251660), (100, 213911), (170, 125830), (340, 62915), (425, 50332), (850, 25166), (1700, 12583)]