21906486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173861}}^1$

素因数の和:173876

約数の個数: 24

約数和(自身を含む): 54244944

約数和(自身を除く): 32338458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173861, 347722, 521583, 1043166, 1217027, 1564749, 2434054, 3129498, 3651081, 7302162, 10953243, 21906486]

約数ペア:

[(1, 21906486), (2, 10953243), (3, 7302162), (6, 3651081), (7, 3129498), (9, 2434054), (14, 1564749), (18, 1217027), (21, 1043166), (42, 521583), (63, 347722), (126, 173861)]