21831270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17749}}^1$

素因数の和:17800

約数の個数: 32

約数和(自身を含む): 53676000

約数和(自身を除く): 31844730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17749, 35498, 53247, 88745, 106494, 177490, 266235, 532470, 727709, 1455418, 2183127, 3638545, 4366254, 7277090, 10915635, 21831270]

約数ペア:

[(1, 21831270), (2, 10915635), (3, 7277090), (5, 4366254), (6, 3638545), (10, 2183127), (15, 1455418), (30, 727709), (41, 532470), (82, 266235), (123, 177490), (205, 106494), (246, 88745), (410, 53247), (615, 35498), (1230, 17749)]