21574380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3491}}^1$

素因数の和:3606

約数の個数: 48

約数和(自身を含む): 61012224

約数和(自身を除く): 39437844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3491, 6180, 6982, 10473, 13964, 17455, 20946, 34910, 41892, 52365, 69820, 104730, 209460, 359573, 719146, 1078719, 1438292, 1797865, 2157438, 3595730, 4314876, 5393595, 7191460, 10787190, 21574380]

約数ペア:

[(1, 21574380), (2, 10787190), (3, 7191460), (4, 5393595), (5, 4314876), (6, 3595730), (10, 2157438), (12, 1797865), (15, 1438292), (20, 1078719), (30, 719146), (60, 359573), (103, 209460), (206, 104730), (309, 69820), (412, 52365), (515, 41892), (618, 34910), (1030, 20946), (1236, 17455), (1545, 13964), (2060, 10473), (3090, 6982), (3491, 6180)]