221339668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{9883}}^1$

素因数の和:10407

約数の個数: 24

約数和(自身を含む): 423430560

約数和(自身を除く): 202090892

約数列:

[1, 2, 4, 11, 22, 44, 509, 1018, 2036, 5599, 9883, 11198, 19766, 22396, 39532, 108713, 217426, 434852, 5030447, 10060894, 20121788, 55334917, 110669834, 221339668]

約数ペア:

[(1, 221339668), (2, 110669834), (4, 55334917), (11, 20121788), (22, 10060894), (44, 5030447), (509, 434852), (1018, 217426), (2036, 108713), (5599, 39532), (9883, 22396), (11198, 19766)]