21674200

素因数分解:

$2^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 50699880

約数和(自身を除く): 29025680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 307, 353, 614, 706, 1228, 1412, 1535, 1765, 2456, 2824, 3070, 3530, 6140, 7060, 7675, 8825, 12280, 14120, 15350, 17650, 30700, 35300, 61400, 70600, 108371, 216742, 433484, 541855, 866968, 1083710, 2167420, 2709275, 4334840, 5418550, 10837100, 21674200]

約数ペア:

[(1, 21674200), (2, 10837100), (4, 5418550), (5, 4334840), (8, 2709275), (10, 2167420), (20, 1083710), (25, 866968), (40, 541855), (50, 433484), (100, 216742), (200, 108371), (307, 70600), (353, 61400), (614, 35300), (706, 30700), (1228, 17650), (1412, 15350), (1535, 14120), (1765, 12280), (2456, 8825), (2824, 7675), (3070, 7060), (3530, 6140)]