21772218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279131}}^1$

素因数の和:279149

約数の個数: 16

約数和(自身を含む): 46894176

約数和(自身を除く): 25121958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279131, 558262, 837393, 1674786, 3628703, 7257406, 10886109, 21772218]

約数ペア:

[(1, 21772218), (2, 10886109), (3, 7257406), (6, 3628703), (13, 1674786), (26, 837393), (39, 558262), (78, 279131)]