21788544

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2507

約数の個数: 64

約数和(自身を含む): 60416640

約数和(自身を除く): 38628096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2467, 2944, 4416, 4934, 7401, 8832, 9868, 14802, 19736, 29604, 39472, 56741, 59208, 78944, 113482, 118416, 157888, 170223, 226964, 236832, 315776, 340446, 453928, 473664, 680892, 907856, 947328, 1361784, 1815712, 2723568, 3631424, 5447136, 7262848, 10894272, 21788544]

約数ペア:

[(1, 21788544), (2, 10894272), (3, 7262848), (4, 5447136), (6, 3631424), (8, 2723568), (12, 1815712), (16, 1361784), (23, 947328), (24, 907856), (32, 680892), (46, 473664), (48, 453928), (64, 340446), (69, 315776), (92, 236832), (96, 226964), (128, 170223), (138, 157888), (184, 118416), (192, 113482), (276, 78944), (368, 59208), (384, 56741), (552, 39472), (736, 29604), (1104, 19736), (1472, 14802), (2208, 9868), (2467, 8832), (2944, 7401), (4416, 4934)]