21963477

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 29944512

約数和(自身を除く): 7981035

約数列:

[1, 3, 61, 183, 257, 467, 771, 1401, 15677, 28487, 47031, 85461, 120019, 360057, 7321159, 21963477]

約数ペア:

[(1, 21963477), (3, 7321159), (61, 360057), (183, 120019), (257, 85461), (467, 47031), (771, 28487), (1401, 15677)]