21361450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38839}}^1$

素因数の和:38862

約数の個数: 24

約数和(自身を含む): 43345440

約数和(自身を除く): 21983990

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38839, 77678, 194195, 388390, 427229, 854458, 970975, 1941950, 2136145, 4272290, 10680725, 21361450]

約数ペア:

[(1, 21361450), (2, 10680725), (5, 4272290), (10, 2136145), (11, 1941950), (22, 970975), (25, 854458), (50, 427229), (55, 388390), (110, 194195), (275, 77678), (550, 38839)]