2123478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 5541120

約数和(自身を除く): 3417642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 887, 1197, 1774, 2394, 2661, 5322, 6209, 7983, 12418, 15966, 16853, 18627, 33706, 37254, 50559, 55881, 101118, 111762, 117971, 151677, 235942, 303354, 353913, 707826, 1061739, 2123478]

約数ペア:

[(1, 2123478), (2, 1061739), (3, 707826), (6, 353913), (7, 303354), (9, 235942), (14, 151677), (18, 117971), (19, 111762), (21, 101118), (38, 55881), (42, 50559), (57, 37254), (63, 33706), (114, 18627), (126, 16853), (133, 15966), (171, 12418), (266, 7983), (342, 6209), (399, 5322), (798, 2661), (887, 2394), (1197, 1774)]