21542906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2371}}^1$

素因数の和:2450

約数の個数: 32

約数和(自身を含む): 40988160

約数和(自身を除く): 19445254

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 154, 413, 649, 826, 1298, 2371, 4543, 4742, 9086, 16597, 26081, 33194, 52162, 139889, 182567, 279778, 365134, 979223, 1538779, 1958446, 3077558, 10771453, 21542906]

約数ペア:

[(1, 21542906), (2, 10771453), (7, 3077558), (11, 1958446), (14, 1538779), (22, 979223), (59, 365134), (77, 279778), (118, 182567), (154, 139889), (413, 52162), (649, 33194), (826, 26081), (1298, 16597), (2371, 9086), (4543, 4742)]