21304006

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 34569216

約数和(自身を除く): 13265210

約数列:

[1, 2, 31, 43, 61, 62, 86, 122, 131, 262, 1333, 1891, 2623, 2666, 3782, 4061, 5246, 5633, 7991, 8122, 11266, 15982, 81313, 162626, 174623, 247721, 343613, 349246, 495442, 687226, 10652003, 21304006]

約数ペア:

[(1, 21304006), (2, 10652003), (31, 687226), (43, 495442), (61, 349246), (62, 343613), (86, 247721), (122, 174623), (131, 162626), (262, 81313), (1333, 15982), (1891, 11266), (2623, 8122), (2666, 7991), (3782, 5633), (4061, 5246)]