21153550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38461}}^1$

素因数の和:38484

約数の個数: 24

約数和(自身を含む): 42923592

約数和(自身を除く): 21770042

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38461, 76922, 192305, 384610, 423071, 846142, 961525, 1923050, 2115355, 4230710, 10576775, 21153550]

約数ペア:

[(1, 21153550), (2, 10576775), (5, 4230710), (10, 2115355), (11, 1923050), (22, 961525), (25, 846142), (50, 423071), (55, 384610), (110, 192305), (275, 76922), (550, 38461)]