21427830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5807}}^1$

素因数の和:5861

約数の個数: 48

約数和(自身を含む): 57081024

約数和(自身を除く): 35653194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5807, 11614, 17421, 29035, 34842, 52263, 58070, 87105, 104526, 174210, 238087, 261315, 476174, 522630, 714261, 1190435, 1428522, 2142783, 2380870, 3571305, 4285566, 7142610, 10713915, 21427830]

約数ペア:

[(1, 21427830), (2, 10713915), (3, 7142610), (5, 4285566), (6, 3571305), (9, 2380870), (10, 2142783), (15, 1428522), (18, 1190435), (30, 714261), (41, 522630), (45, 476174), (82, 261315), (90, 238087), (123, 174210), (205, 104526), (246, 87105), (369, 58070), (410, 52263), (615, 34842), (738, 29035), (1230, 17421), (1845, 11614), (3690, 5807)]