21879564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13709}}^1$

素因数の和:13742

約数の個数: 48

約数和(自身を含む): 61420800

約数和(自身を除く): 39541236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13709, 27418, 41127, 54836, 82254, 95963, 164508, 191926, 260471, 287889, 383852, 520942, 575778, 781413, 1041884, 1151556, 1562826, 1823297, 3125652, 3646594, 5469891, 7293188, 10939782, 21879564]

約数ペア:

[(1, 21879564), (2, 10939782), (3, 7293188), (4, 5469891), (6, 3646594), (7, 3125652), (12, 1823297), (14, 1562826), (19, 1151556), (21, 1041884), (28, 781413), (38, 575778), (42, 520942), (57, 383852), (76, 287889), (84, 260471), (114, 191926), (133, 164508), (228, 95963), (266, 82254), (399, 54836), (532, 41127), (798, 27418), (1596, 13709)]