21942400

素因数分解:

$2^7\times 5^2\times {\mathrm{6857}}^1$

素因数の和:6881

約数の個数: 48

約数和(自身を含む): 54212490

約数和(自身を除く): 32270090

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, 6857, 13714, 27428, 34285, 54856, 68570, 109712, 137140, 171425, 219424, 274280, 342850, 438848, 548560, 685700, 877696, 1097120, 1371400, 2194240, 2742800, 4388480, 5485600, 10971200, 21942400]

約数ペア:

[(1, 21942400), (2, 10971200), (4, 5485600), (5, 4388480), (8, 2742800), (10, 2194240), (16, 1371400), (20, 1097120), (25, 877696), (32, 685700), (40, 548560), (50, 438848), (64, 342850), (80, 274280), (100, 219424), (128, 171425), (160, 137140), (200, 109712), (320, 68570), (400, 54856), (640, 34285), (800, 27428), (1600, 13714), (3200, 6857)]