21229272

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6857}}^1$

素因数の和:6912

約数の個数: 48

約数和(自身を含む): 58841640

約数和(自身を除く): 37612368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6857, 13714, 20571, 27428, 41142, 54856, 61713, 82284, 123426, 164568, 246852, 294851, 493704, 589702, 884553, 1179404, 1769106, 2358808, 2653659, 3538212, 5307318, 7076424, 10614636, 21229272]

約数ペア:

[(1, 21229272), (2, 10614636), (3, 7076424), (4, 5307318), (6, 3538212), (8, 2653659), (9, 2358808), (12, 1769106), (18, 1179404), (24, 884553), (36, 589702), (43, 493704), (72, 294851), (86, 246852), (129, 164568), (172, 123426), (258, 82284), (344, 61713), (387, 54856), (516, 41142), (774, 27428), (1032, 20571), (1548, 13714), (3096, 6857)]