21441636

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1223}}^1$

素因数の和:1720

約数の個数: 36

約数和(自身を含む): 54355392

約数和(自身を除く): 32913756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1223, 1461, 1948, 2446, 2922, 3669, 4383, 4892, 5844, 7338, 8766, 11007, 14676, 17532, 22014, 44028, 595601, 1191202, 1786803, 2382404, 3573606, 5360409, 7147212, 10720818, 21441636]

約数ペア:

[(1, 21441636), (2, 10720818), (3, 7147212), (4, 5360409), (6, 3573606), (9, 2382404), (12, 1786803), (18, 1191202), (36, 595601), (487, 44028), (974, 22014), (1223, 17532), (1461, 14676), (1948, 11007), (2446, 8766), (2922, 7338), (3669, 5844), (4383, 4892)]