21457002

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 50807520

約数和(自身を除く): 29350518

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 1237, 1239, 2474, 2478, 2891, 3711, 5782, 7422, 8659, 8673, 17318, 17346, 25977, 51954, 60613, 72983, 121226, 145966, 181839, 218949, 363678, 437898, 510881, 1021762, 1532643, 3065286, 3576167, 7152334, 10728501, 21457002]

約数ペア:

[(1, 21457002), (2, 10728501), (3, 7152334), (6, 3576167), (7, 3065286), (14, 1532643), (21, 1021762), (42, 510881), (49, 437898), (59, 363678), (98, 218949), (118, 181839), (147, 145966), (177, 121226), (294, 72983), (354, 60613), (413, 51954), (826, 25977), (1237, 17346), (1239, 17318), (2474, 8673), (2478, 8659), (2891, 7422), (3711, 5782)]