21855204

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28909}}^1$

素因数の和:28929

約数の個数: 48

約数和(自身を含む): 64758400

約数和(自身を除く): 42903196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28909, 57818, 86727, 115636, 173454, 202363, 260181, 346908, 404726, 520362, 607089, 780543, 809452, 1040724, 1214178, 1561086, 1821267, 2428356, 3122172, 3642534, 5463801, 7285068, 10927602, 21855204]

約数ペア:

[(1, 21855204), (2, 10927602), (3, 7285068), (4, 5463801), (6, 3642534), (7, 3122172), (9, 2428356), (12, 1821267), (14, 1561086), (18, 1214178), (21, 1040724), (27, 809452), (28, 780543), (36, 607089), (42, 520362), (54, 404726), (63, 346908), (84, 260181), (108, 202363), (126, 173454), (189, 115636), (252, 86727), (378, 57818), (756, 28909)]