21655650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6315

約数の個数: 48

約数和(自身を含む): 56049984

約数和(自身を除く): 34394334

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 6277, 12554, 18831, 31385, 37662, 62770, 94155, 144371, 156925, 188310, 288742, 313850, 433113, 470775, 721855, 866226, 941550, 1443710, 2165565, 3609275, 4331130, 7218550, 10827825, 21655650]

約数ペア:

[(1, 21655650), (2, 10827825), (3, 7218550), (5, 4331130), (6, 3609275), (10, 2165565), (15, 1443710), (23, 941550), (25, 866226), (30, 721855), (46, 470775), (50, 433113), (69, 313850), (75, 288742), (115, 188310), (138, 156925), (150, 144371), (230, 94155), (345, 62770), (575, 37662), (690, 31385), (1150, 18831), (1725, 12554), (3450, 6277)]