21366392

素因数分解:

$2^3\times {\mathrm{1019}}^1\times {\mathrm{2621}}^1$

素因数の和:3646

約数の個数: 16

約数和(自身を含む): 40116600

約数和(自身を除く): 18750208

約数列:

[1, 2, 4, 8, 1019, 2038, 2621, 4076, 5242, 8152, 10484, 20968, 2670799, 5341598, 10683196, 21366392]

約数ペア:

[(1, 21366392), (2, 10683196), (4, 5341598), (8, 2670799), (1019, 20968), (2038, 10484), (2621, 8152), (4076, 5242)]