21355364

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 38588088

約数和(自身を除く): 17232724

約数列:

[1, 2, 4, 37, 74, 148, 313, 461, 626, 922, 1252, 1844, 11581, 17057, 23162, 34114, 46324, 68228, 144293, 288586, 577172, 5338841, 10677682, 21355364]

約数ペア:

[(1, 21355364), (2, 10677682), (4, 5338841), (37, 577172), (74, 288586), (148, 144293), (313, 68228), (461, 46324), (626, 34114), (922, 23162), (1252, 17057), (1844, 11581)]