21655332

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{991}}^1$

素因数の和:1608

約数の個数: 36

約数和(自身を含む): 54885376

約数和(自身を除く): 33230044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 991, 1214, 1821, 1982, 2428, 2973, 3642, 3964, 5463, 5946, 7284, 8919, 10926, 11892, 17838, 21852, 35676, 601537, 1203074, 1804611, 2406148, 3609222, 5413833, 7218444, 10827666, 21655332]

約数ペア:

[(1, 21655332), (2, 10827666), (3, 7218444), (4, 5413833), (6, 3609222), (9, 2406148), (12, 1804611), (18, 1203074), (36, 601537), (607, 35676), (991, 21852), (1214, 17838), (1821, 11892), (1982, 10926), (2428, 8919), (2973, 7284), (3642, 5946), (3964, 5463)]