21195655494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1\times {\mathrm{127637}}^1$

素因数の和:129784

約数の個数: 32

約数和(自身を含む): 45673981920

約数和(自身を除く): 24478326426

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2129, 4258, 6387, 12774, 27677, 55354, 83031, 127637, 166062, 255274, 382911, 765822, 1659281, 3318562, 4977843, 9955686, 271739173, 543478346, 815217519, 1630435038, 3532609249, 7065218498, 10597827747, 21195655494]

約数ペア:

[(1, 21195655494), (2, 10597827747), (3, 7065218498), (6, 3532609249), (13, 1630435038), (26, 815217519), (39, 543478346), (78, 271739173), (2129, 9955686), (4258, 4977843), (6387, 3318562), (12774, 1659281), (27677, 765822), (55354, 382911), (83031, 255274), (127637, 166062)]