21400218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169843}}^1$

素因数の和:169858

約数の個数: 24

約数和(自身を含む): 52991328

約数和(自身を除く): 31591110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169843, 339686, 509529, 1019058, 1188901, 1528587, 2377802, 3057174, 3566703, 7133406, 10700109, 21400218]

約数ペア:

[(1, 21400218), (2, 10700109), (3, 7133406), (6, 3566703), (7, 3057174), (9, 2377802), (14, 1528587), (18, 1188901), (21, 1019058), (42, 509529), (63, 339686), (126, 169843)]