21231224

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1399}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 45696000

約数和(自身を除く): 24464776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1399, 1897, 2168, 2798, 3794, 5596, 7588, 9793, 11192, 15176, 19586, 39172, 78344, 379129, 758258, 1516516, 2653903, 3033032, 5307806, 10615612, 21231224]

約数ペア:

[(1, 21231224), (2, 10615612), (4, 5307806), (7, 3033032), (8, 2653903), (14, 1516516), (28, 758258), (56, 379129), (271, 78344), (542, 39172), (1084, 19586), (1399, 15176), (1897, 11192), (2168, 9793), (2798, 7588), (3794, 5596)]