21167690173

素因数分解:

$7^2\times {\mathrm{191}}^1\times {\mathrm{859}}^1\times {\mathrm{2633}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 24790786560

約数和(自身を除く): 3623096387

約数列:

[1, 7, 49, 191, 859, 1337, 2633, 6013, 9359, 18431, 42091, 129017, 164069, 502903, 1148483, 2261747, 3520321, 8039381, 15832229, 24642247, 110825603, 431993677, 3023955739, 21167690173]

約数ペア:

[(1, 21167690173), (7, 3023955739), (49, 431993677), (191, 110825603), (859, 24642247), (1337, 15832229), (2633, 8039381), (6013, 3520321), (9359, 2261747), (18431, 1148483), (42091, 502903), (129017, 164069)]