21186276

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 50913408

約数和(自身を除く): 29727132

約数列:

[1, 2, 3, 4, 6, 12, 61, 103, 122, 183, 206, 244, 281, 309, 366, 412, 562, 618, 732, 843, 1124, 1236, 1686, 3372, 6283, 12566, 17141, 18849, 25132, 28943, 34282, 37698, 51423, 57886, 68564, 75396, 86829, 102846, 115772, 173658, 205692, 347316, 1765523, 3531046, 5296569, 7062092, 10593138, 21186276]

約数ペア:

[(1, 21186276), (2, 10593138), (3, 7062092), (4, 5296569), (6, 3531046), (12, 1765523), (61, 347316), (103, 205692), (122, 173658), (183, 115772), (206, 102846), (244, 86829), (281, 75396), (309, 68564), (366, 57886), (412, 51423), (562, 37698), (618, 34282), (732, 28943), (843, 25132), (1124, 18849), (1236, 17141), (1686, 12566), (3372, 6283)]