21014630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3299}}^1$

素因数の和:3333

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 26386570

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 3299, 6370, 6598, 16495, 23093, 32990, 42887, 46186, 85774, 115465, 161651, 214435, 230930, 300209, 323302, 428870, 600418, 808255, 1501045, 1616510, 2101463, 3002090, 4202926, 10507315, 21014630]

約数ペア:

[(1, 21014630), (2, 10507315), (5, 4202926), (7, 3002090), (10, 2101463), (13, 1616510), (14, 1501045), (26, 808255), (35, 600418), (49, 428870), (65, 323302), (70, 300209), (91, 230930), (98, 214435), (130, 161651), (182, 115465), (245, 85774), (455, 46186), (490, 42887), (637, 32990), (910, 23093), (1274, 16495), (3185, 6598), (3299, 6370)]