21857676

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2591}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 33300084

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2591, 2812, 4218, 5182, 7773, 8436, 10364, 15546, 31092, 49229, 95867, 98458, 147687, 191734, 196916, 287601, 295374, 383468, 575202, 590748, 1150404, 1821473, 3642946, 5464419, 7285892, 10928838, 21857676]

約数ペア:

[(1, 21857676), (2, 10928838), (3, 7285892), (4, 5464419), (6, 3642946), (12, 1821473), (19, 1150404), (37, 590748), (38, 575202), (57, 383468), (74, 295374), (76, 287601), (111, 196916), (114, 191734), (148, 147687), (222, 98458), (228, 95867), (444, 49229), (703, 31092), (1406, 15546), (2109, 10364), (2591, 8436), (2812, 7773), (4218, 5182)]