21394134

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 48020544

約数和(自身を除く): 26626410

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 131, 211, 258, 262, 387, 393, 422, 633, 774, 786, 1179, 1266, 1899, 2358, 3798, 5633, 9073, 11266, 16899, 18146, 27219, 27641, 33798, 50697, 54438, 55282, 81657, 82923, 101394, 163314, 165846, 248769, 497538, 1188563, 2377126, 3565689, 7131378, 10697067, 21394134]

約数ペア:

[(1, 21394134), (2, 10697067), (3, 7131378), (6, 3565689), (9, 2377126), (18, 1188563), (43, 497538), (86, 248769), (129, 165846), (131, 163314), (211, 101394), (258, 82923), (262, 81657), (387, 55282), (393, 54438), (422, 50697), (633, 33798), (774, 27641), (786, 27219), (1179, 18146), (1266, 16899), (1899, 11266), (2358, 9073), (3798, 5633)]