21681900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{24091}}^1$

素因数の和:24111

約数の個数: 54

約数和(自身を含む): 67963532

約数和(自身を除く): 46281632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 24091, 48182, 72273, 96364, 120455, 144546, 216819, 240910, 289092, 361365, 433638, 481820, 602275, 722730, 867276, 1084095, 1204550, 1445460, 1806825, 2168190, 2409100, 3613650, 4336380, 5420475, 7227300, 10840950, 21681900]

約数ペア:

[(1, 21681900), (2, 10840950), (3, 7227300), (4, 5420475), (5, 4336380), (6, 3613650), (9, 2409100), (10, 2168190), (12, 1806825), (15, 1445460), (18, 1204550), (20, 1084095), (25, 867276), (30, 722730), (36, 602275), (45, 481820), (50, 433638), (60, 361365), (75, 289092), (90, 240910), (100, 216819), (150, 144546), (180, 120455), (225, 96364), (300, 72273), (450, 48182), (900, 24091)]