1621432412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{520357}}^1$

素因数の和:520421

約数の個数: 24

約数和(自身を含む): 3059705040

約数和(自身を除く): 1438272628

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 520357, 1040714, 2081428, 9886783, 19773566, 21334637, 39547132, 42669274, 85338548, 405358103, 810716206, 1621432412]

約数ペア:

[(1, 1621432412), (2, 810716206), (4, 405358103), (19, 85338548), (38, 42669274), (41, 39547132), (76, 21334637), (82, 19773566), (164, 9886783), (779, 2081428), (1558, 1040714), (3116, 520357)]