21000388694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{180233}}^1$

素因数の和:180424

約数の個数: 32

約数和(自身を含む): 35037489600

約数和(自身を除く): 14037100906

約数列:

[1, 2, 17, 23, 34, 46, 149, 298, 391, 782, 2533, 3427, 5066, 6854, 58259, 116518, 180233, 360466, 3063961, 4145359, 6127922, 8290718, 26854717, 53709434, 70471103, 140942206, 456530189, 617658491, 913060378, 1235316982, 10500194347, 21000388694]

約数ペア:

[(1, 21000388694), (2, 10500194347), (17, 1235316982), (23, 913060378), (34, 617658491), (46, 456530189), (149, 140942206), (298, 70471103), (391, 53709434), (782, 26854717), (2533, 8290718), (3427, 6127922), (5066, 4145359), (6854, 3063961), (58259, 360466), (116518, 180233)]