21572100055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1291}}^1\times {\mathrm{2039}}^1$

素因数の和:3495

約数の個数: 32

約数和(自身を含む): 28465344000

約数和(自身を除く): 6893243945

約数列:

[1, 5, 11, 55, 149, 745, 1291, 1639, 2039, 6455, 8195, 10195, 14201, 22429, 71005, 112145, 192359, 303811, 961795, 1519055, 2115949, 2632349, 3341921, 10579745, 13161745, 16709605, 28955839, 144779195, 392220001, 1961100005, 4314420011, 21572100055]

約数ペア:

[(1, 21572100055), (5, 4314420011), (11, 1961100005), (55, 392220001), (149, 144779195), (745, 28955839), (1291, 16709605), (1639, 13161745), (2039, 10579745), (6455, 3341921), (8195, 2632349), (10195, 2115949), (14201, 1519055), (22429, 961795), (71005, 303811), (112145, 192359)]