21078258

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8039}}^1$

素因数の和:8086

約数の個数: 32

約数和(自身を含む): 46310400

約数和(自身を除く): 25232142

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8039, 16078, 24117, 48234, 152741, 184897, 305482, 369794, 458223, 554691, 916446, 1109382, 3513043, 7026086, 10539129, 21078258]

約数ペア:

[(1, 21078258), (2, 10539129), (3, 7026086), (6, 3513043), (19, 1109382), (23, 916446), (38, 554691), (46, 458223), (57, 369794), (69, 305482), (114, 184897), (138, 152741), (437, 48234), (874, 24117), (1311, 16078), (2622, 8039)]