21370596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136991}}^1$

素因数の和:137011

約数の個数: 24

約数和(自身を含む): 53700864

約数和(自身を除く): 32330268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136991, 273982, 410973, 547964, 821946, 1643892, 1780883, 3561766, 5342649, 7123532, 10685298, 21370596]

約数ペア:

[(1, 21370596), (2, 10685298), (3, 7123532), (4, 5342649), (6, 3561766), (12, 1780883), (13, 1643892), (26, 821946), (39, 547964), (52, 410973), (78, 273982), (156, 136991)]