21292996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18079484

約数列:

[1, 2, 4, 19, 38, 76, 503, 557, 1006, 1114, 2012, 2228, 9557, 10583, 19114, 21166, 38228, 42332, 280171, 560342, 1120684, 5323249, 10646498, 21292996]

約数ペア:

[(1, 21292996), (2, 10646498), (4, 5323249), (19, 1120684), (38, 560342), (76, 280171), (503, 42332), (557, 38228), (1006, 21166), (1114, 19114), (2012, 10583), (2228, 9557)]