21449403755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{34703}}^1$

素因数の和:35015

約数の個数: 32

約数和(自身を含む): 28579993344

約数和(自身を除く): 7130589589

約数列:

[1, 5, 13, 37, 65, 185, 257, 481, 1285, 2405, 3341, 9509, 16705, 34703, 47545, 123617, 173515, 451139, 618085, 1284011, 2255695, 6420055, 8918671, 16692143, 44593355, 83460715, 115942723, 329990827, 579713615, 1649954135, 4289880751, 21449403755]

約数ペア:

[(1, 21449403755), (5, 4289880751), (13, 1649954135), (37, 579713615), (65, 329990827), (185, 115942723), (257, 83460715), (481, 44593355), (1285, 16692143), (2405, 8918671), (3341, 6420055), (9509, 2255695), (16705, 1284011), (34703, 618085), (47545, 451139), (123617, 173515)]