21590328

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5519}}^1$

素因数の和:5691

約数の個数: 32

約数和(自身を含む): 54316800

約数和(自身を除く): 32726472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5519, 11038, 16557, 22076, 33114, 44152, 66228, 132456, 899597, 1799194, 2698791, 3598388, 5397582, 7196776, 10795164, 21590328]

約数ペア:

[(1, 21590328), (2, 10795164), (3, 7196776), (4, 5397582), (6, 3598388), (8, 2698791), (12, 1799194), (24, 899597), (163, 132456), (326, 66228), (489, 44152), (652, 33114), (978, 22076), (1304, 16557), (1956, 11038), (3912, 5519)]