21085328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2615

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 24447472

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2549, 4136, 5098, 8272, 10196, 20392, 28039, 40784, 56078, 112156, 119803, 224312, 239606, 448624, 479212, 958424, 1317833, 1916848, 2635666, 5271332, 10542664, 21085328]

約数ペア:

[(1, 21085328), (2, 10542664), (4, 5271332), (8, 2635666), (11, 1916848), (16, 1317833), (22, 958424), (44, 479212), (47, 448624), (88, 239606), (94, 224312), (176, 119803), (188, 112156), (376, 56078), (517, 40784), (752, 28039), (1034, 20392), (2068, 10196), (2549, 8272), (4136, 5098)]