21826688

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 47131650

約数和(自身を除く): 25304962

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1009, 1352, 1664, 2018, 2704, 4036, 5408, 8072, 10816, 13117, 16144, 21632, 26234, 32288, 52468, 64576, 104936, 129152, 170521, 209872, 341042, 419744, 682084, 839488, 1364168, 1678976, 2728336, 5456672, 10913344, 21826688]

約数ペア:

[(1, 21826688), (2, 10913344), (4, 5456672), (8, 2728336), (13, 1678976), (16, 1364168), (26, 839488), (32, 682084), (52, 419744), (64, 341042), (104, 209872), (128, 170521), (169, 129152), (208, 104936), (338, 64576), (416, 52468), (676, 32288), (832, 26234), (1009, 21632), (1352, 16144), (1664, 13117), (2018, 10816), (2704, 8072), (4036, 5408)]