21489672

素因数分解:

$2^3\times 3^1\times {\mathrm{419}}^1\times {\mathrm{2137}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 53877600

約数和(自身を除く): 32387928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 419, 838, 1257, 1676, 2137, 2514, 3352, 4274, 5028, 6411, 8548, 10056, 12822, 17096, 25644, 51288, 895403, 1790806, 2686209, 3581612, 5372418, 7163224, 10744836, 21489672]

約数ペア:

[(1, 21489672), (2, 10744836), (3, 7163224), (4, 5372418), (6, 3581612), (8, 2686209), (12, 1790806), (24, 895403), (419, 51288), (838, 25644), (1257, 17096), (1676, 12822), (2137, 10056), (2514, 8548), (3352, 6411), (4274, 5028)]