21608190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 61663680

約数和(自身を除く): 40055490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 85, 87, 90, 102, 145, 153, 170, 174, 255, 261, 290, 306, 435, 487, 493, 510, 522, 765, 870, 974, 986, 1305, 1461, 1479, 1530, 2435, 2465, 2610, 2922, 2958, 4383, 4437, 4870, 4930, 7305, 7395, 8279, 8766, 8874, 14123, 14610, 14790, 16558, 21915, 22185, 24837, 28246, 41395, 42369, 43830, 44370, 49674, 70615, 74511, 82790, 84738, 124185, 127107, 141230, 149022, 211845, 240091, 248370, 254214, 372555, 423690, 480182, 635535, 720273, 745110, 1200455, 1271070, 1440546, 2160819, 2400910, 3601365, 4321638, 7202730, 10804095, 21608190]

約数ペア:

[(1, 21608190), (2, 10804095), (3, 7202730), (5, 4321638), (6, 3601365), (9, 2400910), (10, 2160819), (15, 1440546), (17, 1271070), (18, 1200455), (29, 745110), (30, 720273), (34, 635535), (45, 480182), (51, 423690), (58, 372555), (85, 254214), (87, 248370), (90, 240091), (102, 211845), (145, 149022), (153, 141230), (170, 127107), (174, 124185), (255, 84738), (261, 82790), (290, 74511), (306, 70615), (435, 49674), (487, 44370), (493, 43830), (510, 42369), (522, 41395), (765, 28246), (870, 24837), (974, 22185), (986, 21915), (1305, 16558), (1461, 14790), (1479, 14610), (1530, 14123), (2435, 8874), (2465, 8766), (2610, 8279), (2922, 7395), (2958, 7305), (4383, 4930), (4437, 4870)]