210317821

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{10613}}^1$

素因数の和:10788

約数の個数: 16

約数和(自身を含む): 254736000

約数和(自身を除く): 44418179

約数列:

[1, 7, 19, 133, 149, 1043, 2831, 10613, 19817, 74291, 201647, 1411529, 1581337, 11069359, 30045403, 210317821]

約数ペア:

[(1, 210317821), (7, 30045403), (19, 11069359), (133, 1581337), (149, 1411529), (1043, 201647), (2831, 74291), (10613, 19817)]