21148908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3023}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 54867456

約数和(自身を除く): 33718548

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 3023, 3498, 6046, 6996, 9069, 12092, 18138, 33253, 36276, 66506, 99759, 133012, 160219, 199518, 320438, 399036, 480657, 640876, 961314, 1762409, 1922628, 3524818, 5287227, 7049636, 10574454, 21148908]

約数ペア:

[(1, 21148908), (2, 10574454), (3, 7049636), (4, 5287227), (6, 3524818), (11, 1922628), (12, 1762409), (22, 961314), (33, 640876), (44, 480657), (53, 399036), (66, 320438), (106, 199518), (132, 160219), (159, 133012), (212, 99759), (318, 66506), (583, 36276), (636, 33253), (1166, 18138), (1749, 12092), (2332, 9069), (3023, 6996), (3498, 6046)]