21232806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3637}}^1$

素因数の和:3788

約数の個数: 32

約数和(自身を含む): 48894720

約数和(自身を除く): 27661914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3637, 5838, 7274, 10911, 21822, 25459, 50918, 76377, 152754, 505543, 1011086, 1516629, 3033258, 3538801, 7077602, 10616403, 21232806]

約数ペア:

[(1, 21232806), (2, 10616403), (3, 7077602), (6, 3538801), (7, 3033258), (14, 1516629), (21, 1011086), (42, 505543), (139, 152754), (278, 76377), (417, 50918), (834, 25459), (973, 21822), (1946, 10911), (2919, 7274), (3637, 5838)]