21912423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 10746777

約数列:

[1, 3, 13, 39, 59, 89, 107, 177, 267, 321, 767, 1157, 1391, 2301, 3471, 4173, 5251, 6313, 9523, 15753, 18939, 28569, 68263, 82069, 123799, 204789, 246207, 371397, 561857, 1685571, 7304141, 21912423]

約数ペア:

[(1, 21912423), (3, 7304141), (13, 1685571), (39, 561857), (59, 371397), (89, 246207), (107, 204789), (177, 123799), (267, 82069), (321, 68263), (767, 28569), (1157, 18939), (1391, 15753), (2301, 9523), (3471, 6313), (4173, 5251)]