21167881316

素因数分解:

$2^2\times {\mathrm{571}}^1\times {\mathrm{1663}}^1\times {\mathrm{5573}}^1$

素因数の和:7811

約数の個数: 24

約数和(自身を含む): 37137644544

約数和(自身を除く): 15969763228

約数列:

[1, 2, 4, 571, 1142, 1663, 2284, 3326, 5573, 6652, 11146, 22292, 949573, 1899146, 3182183, 3798292, 6364366, 9267899, 12728732, 18535798, 37071596, 5291970329, 10583940658, 21167881316]

約数ペア:

[(1, 21167881316), (2, 10583940658), (4, 5291970329), (571, 37071596), (1142, 18535798), (1663, 12728732), (2284, 9267899), (3326, 6364366), (5573, 3798292), (6652, 3182183), (11146, 1899146), (22292, 949573)]