21526600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 51419700

約数和(自身を除く): 29893100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2909, 3700, 5818, 7400, 11636, 14545, 23272, 29090, 58180, 72725, 107633, 116360, 145450, 215266, 290900, 430532, 538165, 581800, 861064, 1076330, 2152660, 2690825, 4305320, 5381650, 10763300, 21526600]

約数ペア:

[(1, 21526600), (2, 10763300), (4, 5381650), (5, 4305320), (8, 2690825), (10, 2152660), (20, 1076330), (25, 861064), (37, 581800), (40, 538165), (50, 430532), (74, 290900), (100, 215266), (148, 145450), (185, 116360), (200, 107633), (296, 72725), (370, 58180), (740, 29090), (925, 23272), (1480, 14545), (1850, 11636), (2909, 7400), (3700, 5818)]