21381072

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{14369}}^1$

素因数の和:14411

約数の個数: 40

約数和(自身を含む): 57020160

約数和(自身を除く): 35639088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 14369, 28738, 43107, 57476, 86214, 114952, 172428, 229904, 344856, 445439, 689712, 890878, 1336317, 1781756, 2672634, 3563512, 5345268, 7127024, 10690536, 21381072]

約数ペア:

[(1, 21381072), (2, 10690536), (3, 7127024), (4, 5345268), (6, 3563512), (8, 2672634), (12, 1781756), (16, 1336317), (24, 890878), (31, 689712), (48, 445439), (62, 344856), (93, 229904), (124, 172428), (186, 114952), (248, 86214), (372, 57476), (496, 43107), (744, 28738), (1488, 14369)]