21078336

素因数分解:

$2^6\times 3^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:679

約数の個数: 56

約数和(自身を含む): 56107584

約数和(自身を除く): 35029248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 311, 353, 622, 706, 933, 1059, 1244, 1412, 1866, 2118, 2488, 2824, 3732, 4236, 4976, 5648, 7464, 8472, 9952, 11296, 14928, 16944, 19904, 22592, 29856, 33888, 59712, 67776, 109783, 219566, 329349, 439132, 658698, 878264, 1317396, 1756528, 2634792, 3513056, 5269584, 7026112, 10539168, 21078336]

約数ペア:

[(1, 21078336), (2, 10539168), (3, 7026112), (4, 5269584), (6, 3513056), (8, 2634792), (12, 1756528), (16, 1317396), (24, 878264), (32, 658698), (48, 439132), (64, 329349), (96, 219566), (192, 109783), (311, 67776), (353, 59712), (622, 33888), (706, 29856), (933, 22592), (1059, 19904), (1244, 16944), (1412, 14928), (1866, 11296), (2118, 9952), (2488, 8472), (2824, 7464), (3732, 5648), (4236, 4976)]