21038274

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 48372480

約数和(自身を除く): 27334206

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1019, 1147, 2038, 2294, 3057, 3441, 6114, 6882, 9171, 10323, 18342, 20646, 31589, 37703, 63178, 75406, 94767, 113109, 189534, 226218, 284301, 339327, 568602, 678654, 1168793, 2337586, 3506379, 7012758, 10519137, 21038274]

約数ペア:

[(1, 21038274), (2, 10519137), (3, 7012758), (6, 3506379), (9, 2337586), (18, 1168793), (31, 678654), (37, 568602), (62, 339327), (74, 284301), (93, 226218), (111, 189534), (186, 113109), (222, 94767), (279, 75406), (333, 63178), (558, 37703), (666, 31589), (1019, 20646), (1147, 18342), (2038, 10323), (2294, 9171), (3057, 6882), (3441, 6114)]