21606296

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 20306344

約数列:

[1, 2, 4, 8, 43, 86, 107, 172, 214, 344, 428, 587, 856, 1174, 2348, 4601, 4696, 9202, 18404, 25241, 36808, 50482, 62809, 100964, 125618, 201928, 251236, 502472, 2700787, 5401574, 10803148, 21606296]

約数ペア:

[(1, 21606296), (2, 10803148), (4, 5401574), (8, 2700787), (43, 502472), (86, 251236), (107, 201928), (172, 125618), (214, 100964), (344, 62809), (428, 50482), (587, 36808), (856, 25241), (1174, 18404), (2348, 9202), (4601, 4696)]