21000901306

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15619}}^1\times {\mathrm{8731}}^1$

素因数の和:24370

約数の個数: 32

約数和(自身を含む): 39281425920

約数和(自身を除く): 18280524614

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 8731, 15619, 17462, 31238, 61117, 96041, 109333, 122234, 171809, 192082, 218666, 343618, 672287, 1202663, 1344574, 2405326, 136369489, 272738978, 954586423, 1500064379, 1909172846, 3000128758, 10500450653, 21000901306]

約数ペア:

[(1, 21000901306), (2, 10500450653), (7, 3000128758), (11, 1909172846), (14, 1500064379), (22, 954586423), (77, 272738978), (154, 136369489), (8731, 2405326), (15619, 1344574), (17462, 1202663), (31238, 672287), (61117, 343618), (96041, 218666), (109333, 192082), (122234, 171809)]