21652358

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 18560122

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 271, 439, 542, 878, 1897, 3073, 3523, 3794, 5707, 6146, 7046, 11414, 24661, 39949, 49322, 79898, 118969, 237938, 832783, 1546597, 1665566, 3093194, 10826179, 21652358]

約数ペア:

[(1, 21652358), (2, 10826179), (7, 3093194), (13, 1665566), (14, 1546597), (26, 832783), (91, 237938), (182, 118969), (271, 79898), (439, 49322), (542, 39949), (878, 24661), (1897, 11414), (3073, 7046), (3523, 6146), (3794, 5707)]