21374035

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 5479085

約数列:

[1, 5, 31, 73, 155, 365, 1889, 2263, 9445, 11315, 58559, 137897, 292795, 689485, 4274807, 21374035]

約数ペア:

[(1, 21374035), (5, 4274807), (31, 689485), (73, 292795), (155, 137897), (365, 58559), (1889, 11315), (2263, 9445)]