21662812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1913}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 40194000

約数和(自身を除く): 18531188

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1913, 2831, 3826, 5662, 7652, 11324, 36347, 72694, 145388, 285037, 570074, 1140148, 5415703, 10831406, 21662812]

約数ペア:

[(1, 21662812), (2, 10831406), (4, 5415703), (19, 1140148), (38, 570074), (76, 285037), (149, 145388), (298, 72694), (596, 36347), (1913, 11324), (2831, 7652), (3826, 5662)]