21508176

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 55924000

約数和(自身を除く): 34415824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 2749, 3912, 5498, 7824, 8247, 10996, 16494, 21992, 32988, 43984, 65976, 131952, 448087, 896174, 1344261, 1792348, 2688522, 3584696, 5377044, 7169392, 10754088, 21508176]

約数ペア:

[(1, 21508176), (2, 10754088), (3, 7169392), (4, 5377044), (6, 3584696), (8, 2688522), (12, 1792348), (16, 1344261), (24, 896174), (48, 448087), (163, 131952), (326, 65976), (489, 43984), (652, 32988), (978, 21992), (1304, 16494), (1956, 10996), (2608, 8247), (2749, 7824), (3912, 5498)]