21416356

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2437}}^1$

素因数の和:2480

約数の個数: 24

約数和(自身を含む): 40617080

約数和(自身を除く): 19200724

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2437, 4394, 4874, 8788, 9748, 31681, 63362, 126724, 411853, 823706, 1647412, 5354089, 10708178, 21416356]

約数ペア:

[(1, 21416356), (2, 10708178), (4, 5354089), (13, 1647412), (26, 823706), (52, 411853), (169, 126724), (338, 63362), (676, 31681), (2197, 9748), (2437, 8788), (4394, 4874)]