21176056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{727}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 43505280

約数和(自身を除く): 22329224

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 331, 662, 727, 1324, 1454, 2648, 2908, 3641, 5816, 7282, 7997, 14564, 15994, 29128, 31988, 63976, 240637, 481274, 962548, 1925096, 2647007, 5294014, 10588028, 21176056]

約数ペア:

[(1, 21176056), (2, 10588028), (4, 5294014), (8, 2647007), (11, 1925096), (22, 962548), (44, 481274), (88, 240637), (331, 63976), (662, 31988), (727, 29128), (1324, 15994), (1454, 14564), (2648, 7997), (2908, 7282), (3641, 5816)]