21992386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44519}}^1$

素因数の和:44553

約数の個数: 16

約数和(自身を含む): 37396800

約数和(自身を除く): 15404414

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44519, 89038, 578747, 845861, 1157494, 1691722, 10996193, 21992386]

約数ペア:

[(1, 21992386), (2, 10996193), (13, 1691722), (19, 1157494), (26, 845861), (38, 578747), (247, 89038), (494, 44519)]