21592921

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 25214976

約数和(自身を除く): 3622055

約数列:

[1, 7, 107, 127, 227, 749, 889, 1589, 13589, 24289, 28829, 95123, 170023, 201803, 3084703, 21592921]

約数ペア:

[(1, 21592921), (7, 3084703), (107, 201803), (127, 170023), (227, 95123), (749, 28829), (889, 24289), (1589, 13589)]