21677992

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3253}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 50079060

約数和(自身を除く): 28401068

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3253, 3332, 6506, 6664, 13012, 22771, 26024, 45542, 55301, 91084, 110602, 159397, 182168, 221204, 318794, 387107, 442408, 637588, 774214, 1275176, 1548428, 2709749, 3096856, 5419498, 10838996, 21677992]

約数ペア:

[(1, 21677992), (2, 10838996), (4, 5419498), (7, 3096856), (8, 2709749), (14, 1548428), (17, 1275176), (28, 774214), (34, 637588), (49, 442408), (56, 387107), (68, 318794), (98, 221204), (119, 182168), (136, 159397), (196, 110602), (238, 91084), (392, 55301), (476, 45542), (833, 26024), (952, 22771), (1666, 13012), (3253, 6664), (3332, 6506)]