21867784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3061}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 44092800

約数和(自身を除く): 22225016

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3061, 3572, 6122, 7144, 12244, 24488, 58159, 116318, 143867, 232636, 287734, 465272, 575468, 1150936, 2733473, 5466946, 10933892, 21867784]

約数ペア:

[(1, 21867784), (2, 10933892), (4, 5466946), (8, 2733473), (19, 1150936), (38, 575468), (47, 465272), (76, 287734), (94, 232636), (152, 143867), (188, 116318), (376, 58159), (893, 24488), (1786, 12244), (3061, 7144), (3572, 6122)]