21440224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51539}}^1$

素因数の和:51562

約数の個数: 24

約数和(自身を含む): 45458280

約数和(自身を除く): 24018056

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51539, 103078, 206156, 412312, 670007, 824624, 1340014, 1649248, 2680028, 5360056, 10720112, 21440224]

約数ペア:

[(1, 21440224), (2, 10720112), (4, 5360056), (8, 2680028), (13, 1649248), (16, 1340014), (26, 824624), (32, 670007), (52, 412312), (104, 206156), (208, 103078), (416, 51539)]