21011336

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4243}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 39469200

約数和(自身を除く): 18457864

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4243, 4952, 8486, 16972, 33944, 2626417, 5252834, 10505668, 21011336]

約数ペア:

[(1, 21011336), (2, 10505668), (4, 5252834), (8, 2626417), (619, 33944), (1238, 16972), (2476, 8486), (4243, 4952)]