21208550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38561}}^1$

素因数の和:38584

約数の個数: 24

約数和(自身を含む): 43035192

約数和(自身を除く): 21826642

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38561, 77122, 192805, 385610, 424171, 848342, 964025, 1928050, 2120855, 4241710, 10604275, 21208550]

約数ペア:

[(1, 21208550), (2, 10604275), (5, 4241710), (10, 2120855), (11, 1928050), (22, 964025), (25, 848342), (50, 424171), (55, 385610), (110, 192805), (275, 77122), (550, 38561)]