21167352368

素因数分解:

$2^4\times {\mathrm{1571}}^1\times {\mathrm{842113}}^1$

素因数の和:843692

約数の個数: 20

約数和(自身を含む): 41037899448

約数和(自身を除く): 19870547080

約数列:

[1, 2, 4, 8, 16, 1571, 3142, 6284, 12568, 25136, 842113, 1684226, 3368452, 6736904, 13473808, 1322959523, 2645919046, 5291838092, 10583676184, 21167352368]

約数ペア:

[(1, 21167352368), (2, 10583676184), (4, 5291838092), (8, 2645919046), (16, 1322959523), (1571, 13473808), (3142, 6736904), (6284, 3368452), (12568, 1684226), (25136, 842113)]