21293836

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 37933056

約数和(自身を除く): 16639220

約数列:

[1, 2, 4, 127, 167, 251, 254, 334, 502, 508, 668, 1004, 21209, 31877, 41917, 42418, 63754, 83834, 84836, 127508, 167668, 5323459, 10646918, 21293836]

約数ペア:

[(1, 21293836), (2, 10646918), (4, 5323459), (127, 167668), (167, 127508), (251, 84836), (254, 83834), (334, 63754), (502, 42418), (508, 41917), (668, 31877), (1004, 21209)]