21608500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 27662540

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1879, 2300, 2875, 3758, 5750, 7516, 9395, 11500, 18790, 37580, 43217, 46975, 86434, 93950, 172868, 187900, 216085, 234875, 432170, 469750, 864340, 939500, 1080425, 2160850, 4321700, 5402125, 10804250, 21608500]

約数ペア:

[(1, 21608500), (2, 10804250), (4, 5402125), (5, 4321700), (10, 2160850), (20, 1080425), (23, 939500), (25, 864340), (46, 469750), (50, 432170), (92, 234875), (100, 216085), (115, 187900), (125, 172868), (230, 93950), (250, 86434), (460, 46975), (500, 43217), (575, 37580), (1150, 18790), (1879, 11500), (2300, 9395), (2875, 7516), (3758, 5750)]