21254982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{506071}}^1$

素因数の和:506083

約数の個数: 16

約数和(自身を含む): 48582912

約数和(自身を除く): 27327930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 506071, 1012142, 1518213, 3036426, 3542497, 7084994, 10627491, 21254982]

約数ペア:

[(1, 21254982), (2, 10627491), (3, 7084994), (6, 3542497), (7, 3036426), (14, 1518213), (21, 1012142), (42, 506071)]