21166544

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4021}}^1$

素因数の和:4083

約数の個数: 40

約数和(自身を含む): 47877888

約数和(自身を除く): 26711344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 4021, 5264, 8042, 16084, 28147, 32168, 56294, 64336, 112588, 188987, 225176, 377974, 450352, 755948, 1322909, 1511896, 2645818, 3023792, 5291636, 10583272, 21166544]

約数ペア:

[(1, 21166544), (2, 10583272), (4, 5291636), (7, 3023792), (8, 2645818), (14, 1511896), (16, 1322909), (28, 755948), (47, 450352), (56, 377974), (94, 225176), (112, 188987), (188, 112588), (329, 64336), (376, 56294), (658, 32168), (752, 28147), (1316, 16084), (2632, 8042), (4021, 5264)]