21217064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{523}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 43575840

約数和(自身を除く): 22358776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 461, 523, 922, 1046, 1844, 2092, 3688, 4184, 5071, 5753, 10142, 11506, 20284, 23012, 40568, 46024, 241103, 482206, 964412, 1928824, 2652133, 5304266, 10608532, 21217064]

約数ペア:

[(1, 21217064), (2, 10608532), (4, 5304266), (8, 2652133), (11, 1928824), (22, 964412), (44, 482206), (88, 241103), (461, 46024), (523, 40568), (922, 23012), (1046, 20284), (1844, 11506), (2092, 10142), (3688, 5753), (4184, 5071)]