21714568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{383}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 21370232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 373, 383, 746, 766, 1492, 1532, 2984, 3064, 7087, 7277, 14174, 14554, 28348, 29108, 56696, 58216, 142859, 285718, 571436, 1142872, 2714321, 5428642, 10857284, 21714568]

約数ペア:

[(1, 21714568), (2, 10857284), (4, 5428642), (8, 2714321), (19, 1142872), (38, 571436), (76, 285718), (152, 142859), (373, 58216), (383, 56696), (746, 29108), (766, 28348), (1492, 14554), (1532, 14174), (2984, 7277), (3064, 7087)]