21070062

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 28550418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 234, 254, 381, 709, 762, 1143, 1418, 1651, 2127, 2286, 3302, 4254, 4953, 6381, 9217, 9906, 12762, 14859, 18434, 27651, 29718, 55302, 82953, 90043, 165906, 180086, 270129, 540258, 810387, 1170559, 1620774, 2341118, 3511677, 7023354, 10535031, 21070062]

約数ペア:

[(1, 21070062), (2, 10535031), (3, 7023354), (6, 3511677), (9, 2341118), (13, 1620774), (18, 1170559), (26, 810387), (39, 540258), (78, 270129), (117, 180086), (127, 165906), (234, 90043), (254, 82953), (381, 55302), (709, 29718), (762, 27651), (1143, 18434), (1418, 14859), (1651, 12762), (2127, 9906), (2286, 9217), (3302, 6381), (4254, 4953)]