21004544

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7459}}^1$

素因数の和:7486

約数の個数: 36

約数和(自身を含む): 45744720

約数和(自身を除く): 24740176

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7459, 14918, 29836, 59672, 82049, 119344, 164098, 238688, 328196, 477376, 656392, 954752, 1312784, 1909504, 2625568, 5251136, 10502272, 21004544]

約数ペア:

[(1, 21004544), (2, 10502272), (4, 5251136), (8, 2625568), (11, 1909504), (16, 1312784), (22, 954752), (32, 656392), (44, 477376), (64, 328196), (88, 238688), (128, 164098), (176, 119344), (256, 82049), (352, 59672), (704, 29836), (1408, 14918), (2816, 7459)]