21076536

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 58101120

約数和(自身を除く): 37024584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1571, 1677, 2236, 3142, 3354, 4472, 4713, 6284, 6708, 9426, 12568, 13416, 18852, 20423, 37704, 40846, 61269, 67553, 81692, 122538, 135106, 163384, 202659, 245076, 270212, 405318, 490152, 540424, 810636, 878189, 1621272, 1756378, 2634567, 3512756, 5269134, 7025512, 10538268, 21076536]

約数ペア:

[(1, 21076536), (2, 10538268), (3, 7025512), (4, 5269134), (6, 3512756), (8, 2634567), (12, 1756378), (13, 1621272), (24, 878189), (26, 810636), (39, 540424), (43, 490152), (52, 405318), (78, 270212), (86, 245076), (104, 202659), (129, 163384), (156, 135106), (172, 122538), (258, 81692), (312, 67553), (344, 61269), (516, 40846), (559, 37704), (1032, 20423), (1118, 18852), (1571, 13416), (1677, 12568), (2236, 9426), (3142, 6708), (3354, 6284), (4472, 4713)]