21599673

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 10219719

約数列:

[1, 3, 17, 51, 53, 61, 131, 159, 183, 393, 901, 1037, 2227, 2703, 3111, 3233, 6681, 6943, 7991, 9699, 20829, 23973, 54961, 118031, 135847, 164883, 354093, 407541, 423523, 1270569, 7199891, 21599673]

約数ペア:

[(1, 21599673), (3, 7199891), (17, 1270569), (51, 423523), (53, 407541), (61, 354093), (131, 164883), (159, 135847), (183, 118031), (393, 54961), (901, 23973), (1037, 20829), (2227, 9699), (2703, 7991), (3111, 6943), (3233, 6681)]