21449600

素因数分解:

$2^7\times 5^2\times {\mathrm{6703}}^1$

素因数の和:6727

約数の個数: 48

約数和(自身を含む): 52995120

約数和(自身を除く): 31545520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6703, 13406, 26812, 33515, 53624, 67030, 107248, 134060, 167575, 214496, 268120, 335150, 428992, 536240, 670300, 857984, 1072480, 1340600, 2144960, 2681200, 4289920, 5362400, 10724800, 21449600]

約数ペア:

[(1, 21449600), (2, 10724800), (4, 5362400), (5, 4289920), (8, 2681200), (10, 2144960), (16, 1340600), (20, 1072480), (25, 857984), (32, 670300), (40, 536240), (50, 428992), (64, 335150), (80, 268120), (100, 214496), (128, 167575), (160, 134060), (200, 107248), (320, 67030), (400, 53624), (640, 33515), (800, 26812), (1600, 13406), (3200, 6703)]