21425673

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 32025600

約数和(自身を除く): 10599927

約数列:

[1, 3, 19, 23, 57, 59, 69, 177, 277, 437, 831, 1121, 1311, 1357, 3363, 4071, 5263, 6371, 15789, 16343, 19113, 25783, 49029, 77349, 121049, 310517, 363147, 375889, 931551, 1127667, 7141891, 21425673]

約数ペア:

[(1, 21425673), (3, 7141891), (19, 1127667), (23, 931551), (57, 375889), (59, 363147), (69, 310517), (177, 121049), (277, 77349), (437, 49029), (831, 25783), (1121, 19113), (1311, 16343), (1357, 15789), (3363, 6371), (4071, 5263)]