21492282

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1843

約数の個数: 48

約数和(自身を含む): 51250752

約数和(自身を除く): 29758470

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1722, 1783, 2009, 3566, 4018, 5349, 6027, 10698, 12054, 12481, 24962, 37443, 73103, 74886, 87367, 146206, 174734, 219309, 262101, 438618, 511721, 524202, 1023442, 1535163, 3070326, 3582047, 7164094, 10746141, 21492282]

約数ペア:

[(1, 21492282), (2, 10746141), (3, 7164094), (6, 3582047), (7, 3070326), (14, 1535163), (21, 1023442), (41, 524202), (42, 511721), (49, 438618), (82, 262101), (98, 219309), (123, 174734), (147, 146206), (246, 87367), (287, 74886), (294, 73103), (574, 37443), (861, 24962), (1722, 12481), (1783, 12054), (2009, 10698), (3566, 6027), (4018, 5349)]