21580278

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 44897280

約数和(自身を除く): 23317002

約数列:

[1, 2, 3, 6, 31, 62, 93, 157, 186, 314, 471, 739, 942, 1478, 2217, 4434, 4867, 9734, 14601, 22909, 29202, 45818, 68727, 116023, 137454, 232046, 348069, 696138, 3596713, 7193426, 10790139, 21580278]

約数ペア:

[(1, 21580278), (2, 10790139), (3, 7193426), (6, 3596713), (31, 696138), (62, 348069), (93, 232046), (157, 137454), (186, 116023), (314, 68727), (471, 45818), (739, 29202), (942, 22909), (1478, 14601), (2217, 9734), (4434, 4867)]