21853722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1259}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 26046438

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 263, 526, 789, 1259, 1578, 2518, 2893, 3777, 5786, 7554, 8679, 13849, 17358, 27698, 41547, 83094, 331117, 662234, 993351, 1986702, 3642287, 7284574, 10926861, 21853722]

約数ペア:

[(1, 21853722), (2, 10926861), (3, 7284574), (6, 3642287), (11, 1986702), (22, 993351), (33, 662234), (66, 331117), (263, 83094), (526, 41547), (789, 27698), (1259, 17358), (1578, 13849), (2518, 8679), (2893, 7554), (3777, 5786)]