21130648

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34303}}^1$

素因数の和:34327

約数の個数: 32

約数和(自身を含む): 49397760

約数和(自身を除く): 28267112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34303, 68606, 137212, 240121, 274424, 377333, 480242, 754666, 960484, 1509332, 1920968, 2641331, 3018664, 5282662, 10565324, 21130648]

約数ペア:

[(1, 21130648), (2, 10565324), (4, 5282662), (7, 3018664), (8, 2641331), (11, 1920968), (14, 1509332), (22, 960484), (28, 754666), (44, 480242), (56, 377333), (77, 274424), (88, 240121), (154, 137212), (308, 68606), (616, 34303)]