21539500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1915

約数の個数: 48

約数和(自身を含む): 49113792

約数和(自身を除く): 27574292

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1873, 2300, 2875, 3746, 5750, 7492, 9365, 11500, 18730, 37460, 43079, 46825, 86158, 93650, 172316, 187300, 215395, 234125, 430790, 468250, 861580, 936500, 1076975, 2153950, 4307900, 5384875, 10769750, 21539500]

約数ペア:

[(1, 21539500), (2, 10769750), (4, 5384875), (5, 4307900), (10, 2153950), (20, 1076975), (23, 936500), (25, 861580), (46, 468250), (50, 430790), (92, 234125), (100, 215395), (115, 187300), (125, 172316), (230, 93650), (250, 86158), (460, 46825), (500, 43079), (575, 37460), (1150, 18730), (1873, 11500), (2300, 9365), (2875, 7492), (3746, 5750)]