21610784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51949}}^1$

素因数の和:51972

約数の個数: 24

約数和(自身を含む): 45819900

約数和(自身を除く): 24209116

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51949, 103898, 207796, 415592, 675337, 831184, 1350674, 1662368, 2701348, 5402696, 10805392, 21610784]

約数ペア:

[(1, 21610784), (2, 10805392), (4, 5402696), (8, 2701348), (13, 1662368), (16, 1350674), (26, 831184), (32, 675337), (52, 415592), (104, 207796), (208, 103898), (416, 51949)]