21091288000

素因数分解:

$2^6\times 5^3\times {\mathrm{17}}^1\times {\mathrm{155083}}^1$

素因数の和:155127

約数の個数: 112

約数和(自身を含む): 55305435744

約数和(自身を除く): 34214147744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 320, 340, 400, 425, 500, 544, 680, 800, 850, 1000, 1088, 1360, 1600, 1700, 2000, 2125, 2720, 3400, 4000, 4250, 5440, 6800, 8000, 8500, 13600, 17000, 27200, 34000, 68000, 136000, 155083, 310166, 620332, 775415, 1240664, 1550830, 2481328, 2636411, 3101660, 3877075, 4962656, 5272822, 6203320, 7754150, 9925312, 10545644, 12406640, 13182055, 15508300, 19385375, 21091288, 24813280, 26364110, 31016600, 38770750, 42182576, 49626560, 52728220, 62033200, 65910275, 77541500, 84365152, 105456440, 124066400, 131820550, 155083000, 168730304, 210912880, 248132800, 263641100, 310166000, 329551375, 421825760, 527282200, 620332000, 659102750, 843651520, 1054564400, 1240664000, 1318205500, 2109128800, 2636411000, 4218257600, 5272822000, 10545644000, 21091288000]

約数ペア:

[(1, 21091288000), (2, 10545644000), (4, 5272822000), (5, 4218257600), (8, 2636411000), (10, 2109128800), (16, 1318205500), (17, 1240664000), (20, 1054564400), (25, 843651520), (32, 659102750), (34, 620332000), (40, 527282200), (50, 421825760), (64, 329551375), (68, 310166000), (80, 263641100), (85, 248132800), (100, 210912880), (125, 168730304), (136, 155083000), (160, 131820550), (170, 124066400), (200, 105456440), (250, 84365152), (272, 77541500), (320, 65910275), (340, 62033200), (400, 52728220), (425, 49626560), (500, 42182576), (544, 38770750), (680, 31016600), (800, 26364110), (850, 24813280), (1000, 21091288), (1088, 19385375), (1360, 15508300), (1600, 13182055), (1700, 12406640), (2000, 10545644), (2125, 9925312), (2720, 7754150), (3400, 6203320), (4000, 5272822), (4250, 4962656), (5440, 3877075), (6800, 3101660), (8000, 2636411), (8500, 2481328), (13600, 1550830), (17000, 1240664), (27200, 775415), (34000, 620332), (68000, 310166), (136000, 155083)]