21886713

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 33996800

約数和(自身を除く): 12110087

約数列:

[1, 3, 9, 27, 31, 79, 93, 237, 279, 331, 711, 837, 993, 2133, 2449, 2979, 7347, 8937, 10261, 22041, 26149, 30783, 66123, 78447, 92349, 235341, 277047, 706023, 810619, 2431857, 7295571, 21886713]

約数ペア:

[(1, 21886713), (3, 7295571), (9, 2431857), (27, 810619), (31, 706023), (79, 277047), (93, 235341), (237, 92349), (279, 78447), (331, 66123), (711, 30783), (837, 26149), (993, 22041), (2133, 10261), (2449, 8937), (2979, 7347)]