21485842

素因数分解:

$2^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1399}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 36892800

約数和(自身を除く): 15406958

約数列:

[1, 2, 7, 14, 1097, 1399, 2194, 2798, 7679, 9793, 15358, 19586, 1534703, 3069406, 10742921, 21485842]

約数ペア:

[(1, 21485842), (2, 10742921), (7, 3069406), (14, 1534703), (1097, 19586), (1399, 15358), (2194, 9793), (2798, 7679)]