21339768

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 56597760

約数和(自身を除く): 35257992

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 67, 69, 92, 134, 138, 184, 201, 268, 276, 402, 536, 552, 577, 804, 1154, 1541, 1608, 1731, 2308, 3082, 3462, 4616, 4623, 6164, 6924, 9246, 12328, 13271, 13848, 18492, 26542, 36984, 38659, 39813, 53084, 77318, 79626, 106168, 115977, 154636, 159252, 231954, 309272, 318504, 463908, 889157, 927816, 1778314, 2667471, 3556628, 5334942, 7113256, 10669884, 21339768]

約数ペア:

[(1, 21339768), (2, 10669884), (3, 7113256), (4, 5334942), (6, 3556628), (8, 2667471), (12, 1778314), (23, 927816), (24, 889157), (46, 463908), (67, 318504), (69, 309272), (92, 231954), (134, 159252), (138, 154636), (184, 115977), (201, 106168), (268, 79626), (276, 77318), (402, 53084), (536, 39813), (552, 38659), (577, 36984), (804, 26542), (1154, 18492), (1541, 13848), (1608, 13271), (1731, 12328), (2308, 9246), (3082, 6924), (3462, 6164), (4616, 4623)]