21129456

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19139}}^1$

素因数の和:19173

約数の個数: 40

約数和(自身を含む): 56960640

約数和(自身を除く): 35831184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19139, 38278, 57417, 76556, 114834, 153112, 229668, 306224, 440197, 459336, 880394, 918672, 1320591, 1760788, 2641182, 3521576, 5282364, 7043152, 10564728, 21129456]

約数ペア:

[(1, 21129456), (2, 10564728), (3, 7043152), (4, 5282364), (6, 3521576), (8, 2641182), (12, 1760788), (16, 1320591), (23, 918672), (24, 880394), (46, 459336), (48, 440197), (69, 306224), (92, 229668), (138, 153112), (184, 114834), (276, 76556), (368, 57417), (552, 38278), (1104, 19139)]