21468420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2965

約数の個数: 72

約数和(自身を含む): 66732120

約数和(自身を除く): 45263700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2909, 3690, 5818, 7380, 8727, 11636, 14545, 17454, 26181, 29090, 34908, 43635, 52362, 58180, 87270, 104724, 119269, 130905, 174540, 238538, 261810, 357807, 477076, 523620, 596345, 715614, 1073421, 1192690, 1431228, 1789035, 2146842, 2385380, 3578070, 4293684, 5367105, 7156140, 10734210, 21468420]

約数ペア:

[(1, 21468420), (2, 10734210), (3, 7156140), (4, 5367105), (5, 4293684), (6, 3578070), (9, 2385380), (10, 2146842), (12, 1789035), (15, 1431228), (18, 1192690), (20, 1073421), (30, 715614), (36, 596345), (41, 523620), (45, 477076), (60, 357807), (82, 261810), (90, 238538), (123, 174540), (164, 130905), (180, 119269), (205, 104724), (246, 87270), (369, 58180), (410, 52362), (492, 43635), (615, 34908), (738, 29090), (820, 26181), (1230, 17454), (1476, 14545), (1845, 11636), (2460, 8727), (2909, 7380), (3690, 5818)]