21846123

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 34942752

約数和(自身を除く): 13096629

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 169, 271, 477, 507, 689, 813, 1521, 2067, 2439, 3523, 6201, 8957, 10569, 14363, 26871, 31707, 43089, 45799, 80613, 129267, 137397, 186719, 412191, 560157, 1680471, 2427347, 7282041, 21846123]

約数ペア:

[(1, 21846123), (3, 7282041), (9, 2427347), (13, 1680471), (39, 560157), (53, 412191), (117, 186719), (159, 137397), (169, 129267), (271, 80613), (477, 45799), (507, 43089), (689, 31707), (813, 26871), (1521, 14363), (2067, 10569), (2439, 8957), (3523, 6201)]