21346451

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 24953280

約数和(自身を除く): 3606829

約数列:

[1, 7, 101, 109, 277, 707, 763, 1939, 11009, 27977, 30193, 77063, 195839, 211351, 3049493, 21346451]

約数ペア:

[(1, 21346451), (7, 3049493), (101, 211351), (109, 195839), (277, 77063), (707, 30193), (763, 27977), (1939, 11009)]