21469320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 72633600

約数和(自身を除く): 51164280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 103, 108, 120, 135, 180, 193, 206, 216, 270, 309, 360, 386, 412, 515, 540, 579, 618, 772, 824, 927, 965, 1030, 1080, 1158, 1236, 1544, 1545, 1737, 1854, 1930, 2060, 2316, 2472, 2781, 2895, 3090, 3474, 3708, 3860, 4120, 4632, 4635, 5211, 5562, 5790, 6180, 6948, 7416, 7720, 8685, 9270, 10422, 11124, 11580, 12360, 13896, 13905, 17370, 18540, 19879, 20844, 22248, 23160, 26055, 27810, 34740, 37080, 39758, 41688, 52110, 55620, 59637, 69480, 79516, 99395, 104220, 111240, 119274, 159032, 178911, 198790, 208440, 238548, 298185, 357822, 397580, 477096, 536733, 596370, 715644, 795160, 894555, 1073466, 1192740, 1431288, 1789110, 2146932, 2385480, 2683665, 3578220, 4293864, 5367330, 7156440, 10734660, 21469320]

約数ペア:

[(1, 21469320), (2, 10734660), (3, 7156440), (4, 5367330), (5, 4293864), (6, 3578220), (8, 2683665), (9, 2385480), (10, 2146932), (12, 1789110), (15, 1431288), (18, 1192740), (20, 1073466), (24, 894555), (27, 795160), (30, 715644), (36, 596370), (40, 536733), (45, 477096), (54, 397580), (60, 357822), (72, 298185), (90, 238548), (103, 208440), (108, 198790), (120, 178911), (135, 159032), (180, 119274), (193, 111240), (206, 104220), (216, 99395), (270, 79516), (309, 69480), (360, 59637), (386, 55620), (412, 52110), (515, 41688), (540, 39758), (579, 37080), (618, 34740), (772, 27810), (824, 26055), (927, 23160), (965, 22248), (1030, 20844), (1080, 19879), (1158, 18540), (1236, 17370), (1544, 13905), (1545, 13896), (1737, 12360), (1854, 11580), (1930, 11124), (2060, 10422), (2316, 9270), (2472, 8685), (2781, 7720), (2895, 7416), (3090, 6948), (3474, 6180), (3708, 5790), (3860, 5562), (4120, 5211), (4632, 4635)]