21290962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6011}}^1$

素因数の和:6054

約数の個数: 32

約数和(自身を含む): 41554944

約数和(自身を除く): 20263982

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 6011, 12022, 42077, 66121, 84154, 132242, 138253, 276506, 462847, 925694, 967771, 1520783, 1935542, 3041566, 10645481, 21290962]

約数ペア:

[(1, 21290962), (2, 10645481), (7, 3041566), (11, 1935542), (14, 1520783), (22, 967771), (23, 925694), (46, 462847), (77, 276506), (154, 138253), (161, 132242), (253, 84154), (322, 66121), (506, 42077), (1771, 12022), (3542, 6011)]