21655298

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 39287808

約数和(自身を除く): 17632510

約数列:

[1, 2, 7, 14, 31, 41, 62, 82, 217, 287, 434, 574, 1217, 1271, 2434, 2542, 8519, 8897, 17038, 17794, 37727, 49897, 75454, 99794, 264089, 349279, 528178, 698558, 1546807, 3093614, 10827649, 21655298]

約数ペア:

[(1, 21655298), (2, 10827649), (7, 3093614), (14, 1546807), (31, 698558), (41, 528178), (62, 349279), (82, 264089), (217, 99794), (287, 75454), (434, 49897), (574, 37727), (1217, 17794), (1271, 17038), (2434, 8897), (2542, 8519)]