21911112

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1867}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 59738640

約数和(自身を除く): 37827528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1867, 1956, 2934, 3734, 3912, 5601, 5868, 7468, 11202, 11736, 14936, 16803, 22404, 33606, 44808, 67212, 134424, 304321, 608642, 912963, 1217284, 1825926, 2434568, 2738889, 3651852, 5477778, 7303704, 10955556, 21911112]

約数ペア:

[(1, 21911112), (2, 10955556), (3, 7303704), (4, 5477778), (6, 3651852), (8, 2738889), (9, 2434568), (12, 1825926), (18, 1217284), (24, 912963), (36, 608642), (72, 304321), (163, 134424), (326, 67212), (489, 44808), (652, 33606), (978, 22404), (1304, 16803), (1467, 14936), (1867, 11736), (1956, 11202), (2934, 7468), (3734, 5868), (3912, 5601)]