21999444

素因数分解:

$2^2\times 3^1\times {\mathrm{241}}^1\times {\mathrm{7607}}^1$

素因数の和:7855

約数の個数: 24

約数和(自身を含む): 51551808

約数和(自身を除く): 29552364

約数列:

[1, 2, 3, 4, 6, 12, 241, 482, 723, 964, 1446, 2892, 7607, 15214, 22821, 30428, 45642, 91284, 1833287, 3666574, 5499861, 7333148, 10999722, 21999444]

約数ペア:

[(1, 21999444), (2, 10999722), (3, 7333148), (4, 5499861), (6, 3666574), (12, 1833287), (241, 91284), (482, 45642), (723, 30428), (964, 22821), (1446, 15214), (2892, 7607)]