21277878

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{60107}}^1$

素因数の和:60171

約数の個数: 16

約数和(自身を含む): 43277760

約数和(自身を除く): 21999882

約数列:

[1, 2, 3, 6, 59, 118, 177, 354, 60107, 120214, 180321, 360642, 3546313, 7092626, 10638939, 21277878]

約数ペア:

[(1, 21277878), (2, 10638939), (3, 7092626), (6, 3546313), (59, 360642), (118, 180321), (177, 120214), (354, 60107)]