21208400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1488

約数の個数: 60

約数和(自身を含む): 52366812

約数和(自身を除く): 31158412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1433, 1480, 1850, 2866, 2960, 3700, 5732, 7165, 7400, 11464, 14330, 14800, 22928, 28660, 35825, 53021, 57320, 71650, 106042, 114640, 143300, 212084, 265105, 286600, 424168, 530210, 573200, 848336, 1060420, 1325525, 2120840, 2651050, 4241680, 5302100, 10604200, 21208400]

約数ペア:

[(1, 21208400), (2, 10604200), (4, 5302100), (5, 4241680), (8, 2651050), (10, 2120840), (16, 1325525), (20, 1060420), (25, 848336), (37, 573200), (40, 530210), (50, 424168), (74, 286600), (80, 265105), (100, 212084), (148, 143300), (185, 114640), (200, 106042), (296, 71650), (370, 57320), (400, 53021), (592, 35825), (740, 28660), (925, 22928), (1433, 14800), (1480, 14330), (1850, 11464), (2866, 7400), (2960, 7165), (3700, 5732)]