21281406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186679}}^1$

素因数の和:186703

約数の個数: 16

約数和(自身を含む): 44803200

約数和(自身を除く): 23521794

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186679, 373358, 560037, 1120074, 3546901, 7093802, 10640703, 21281406]

約数ペア:

[(1, 21281406), (2, 10640703), (3, 7093802), (6, 3546901), (19, 1120074), (38, 560037), (57, 373358), (114, 186679)]