21797944

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3308

約数の個数: 48

約数和(自身を含む): 50356080

約数和(自身を除く): 28558136

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, 3271, 3332, 6542, 6664, 13084, 22897, 26168, 45794, 55607, 91588, 111214, 160279, 183176, 222428, 320558, 389249, 444856, 641116, 778498, 1282232, 1556996, 2724743, 3113992, 5449486, 10898972, 21797944]

約数ペア:

[(1, 21797944), (2, 10898972), (4, 5449486), (7, 3113992), (8, 2724743), (14, 1556996), (17, 1282232), (28, 778498), (34, 641116), (49, 444856), (56, 389249), (68, 320558), (98, 222428), (119, 183176), (136, 160279), (196, 111214), (238, 91588), (392, 55607), (476, 45794), (833, 26168), (952, 22897), (1666, 13084), (3271, 6664), (3332, 6542)]