21873684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 58889600

約数和(自身を除く): 37015916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2389, 3052, 4578, 4778, 7167, 9156, 9556, 14334, 16723, 28668, 33446, 50169, 66892, 100338, 200676, 260401, 520802, 781203, 1041604, 1562406, 1822807, 3124812, 3645614, 5468421, 7291228, 10936842, 21873684]

約数ペア:

[(1, 21873684), (2, 10936842), (3, 7291228), (4, 5468421), (6, 3645614), (7, 3124812), (12, 1822807), (14, 1562406), (21, 1041604), (28, 781203), (42, 520802), (84, 260401), (109, 200676), (218, 100338), (327, 66892), (436, 50169), (654, 33446), (763, 28668), (1308, 16723), (1526, 14334), (2289, 9556), (2389, 9156), (3052, 7167), (4578, 4778)]