21123564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22861}}^1$

素因数の和:22886

約数の個数: 48

約数和(自身を含む): 61453056

約数和(自身を除く): 40329492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22861, 45722, 68583, 91444, 137166, 160027, 251471, 274332, 320054, 480081, 502942, 640108, 754413, 960162, 1005884, 1508826, 1760297, 1920324, 3017652, 3520594, 5280891, 7041188, 10561782, 21123564]

約数ペア:

[(1, 21123564), (2, 10561782), (3, 7041188), (4, 5280891), (6, 3520594), (7, 3017652), (11, 1920324), (12, 1760297), (14, 1508826), (21, 1005884), (22, 960162), (28, 754413), (33, 640108), (42, 502942), (44, 480081), (66, 320054), (77, 274332), (84, 251471), (132, 160027), (154, 137166), (231, 91444), (308, 68583), (462, 45722), (924, 22861)]