21241290057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1299877}}^1$

素因数の和:1300312

約数の個数: 16

約数和(自身を含む): 30573130560

約数和(自身を除く): 9331840503

約数列:

[1, 3, 13, 39, 419, 1257, 5447, 16341, 1299877, 3899631, 16898401, 50695203, 544648463, 1633945389, 7080430019, 21241290057]

約数ペア:

[(1, 21241290057), (3, 7080430019), (13, 1633945389), (39, 544648463), (419, 50695203), (1257, 16898401), (5447, 3899631), (16341, 1299877)]