21158272

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{3517}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 43060320

約数和(自身を除く): 21902048

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 376, 752, 1504, 3008, 3517, 6016, 7034, 14068, 28136, 56272, 112544, 165299, 225088, 330598, 450176, 661196, 1322392, 2644784, 5289568, 10579136, 21158272]

約数ペア:

[(1, 21158272), (2, 10579136), (4, 5289568), (8, 2644784), (16, 1322392), (32, 661196), (47, 450176), (64, 330598), (94, 225088), (128, 165299), (188, 112544), (376, 56272), (752, 28136), (1504, 14068), (3008, 7034), (3517, 6016)]