21641412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138727}}^1$

素因数の和:138747

約数の個数: 24

約数和(自身を含む): 54381376

約数和(自身を除く): 32739964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138727, 277454, 416181, 554908, 832362, 1664724, 1803451, 3606902, 5410353, 7213804, 10820706, 21641412]

約数ペア:

[(1, 21641412), (2, 10820706), (3, 7213804), (4, 5410353), (6, 3606902), (12, 1803451), (13, 1664724), (26, 832362), (39, 554908), (52, 416181), (78, 277454), (156, 138727)]