21476168

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1327}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 48923520

約数和(自身を除く): 27447352

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1327, 2023, 2312, 2654, 4046, 5308, 8092, 9289, 10616, 16184, 18578, 22559, 37156, 45118, 74312, 90236, 157913, 180472, 315826, 383503, 631652, 767006, 1263304, 1534012, 2684521, 3068024, 5369042, 10738084, 21476168]

約数ペア:

[(1, 21476168), (2, 10738084), (4, 5369042), (7, 3068024), (8, 2684521), (14, 1534012), (17, 1263304), (28, 767006), (34, 631652), (56, 383503), (68, 315826), (119, 180472), (136, 157913), (238, 90236), (289, 74312), (476, 45118), (578, 37156), (952, 22559), (1156, 18578), (1327, 16184), (2023, 10616), (2312, 9289), (2654, 8092), (4046, 5308)]