21053914

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16270886

約数列:

[1, 2, 7, 14, 59, 71, 118, 142, 359, 413, 497, 718, 826, 994, 2513, 4189, 5026, 8378, 21181, 25489, 29323, 42362, 50978, 58646, 148267, 178423, 296534, 356846, 1503851, 3007702, 10526957, 21053914]

約数ペア:

[(1, 21053914), (2, 10526957), (7, 3007702), (14, 1503851), (59, 356846), (71, 296534), (118, 178423), (142, 148267), (359, 58646), (413, 50978), (497, 42362), (718, 29323), (826, 25489), (994, 21181), (2513, 8378), (4189, 5026)]