2156845971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3517}}^1$

素因数の和:3628

約数の個数: 64

約数和(自身を含む): 3647462400

約数和(自身を除く): 1490616429

約数列:

[1, 3, 7, 19, 21, 29, 53, 57, 87, 133, 159, 203, 371, 399, 551, 609, 1007, 1113, 1537, 1653, 3021, 3517, 3857, 4611, 7049, 10551, 10759, 11571, 21147, 24619, 29203, 32277, 66823, 73857, 87609, 101993, 186401, 200469, 204421, 305979, 467761, 559203, 613263, 713951, 1304807, 1403283, 1937867, 2141853, 3541619, 3914421, 5405629, 5813601, 10624857, 13565069, 16216887, 24791333, 37839403, 40695207, 74373999, 102706951, 113518209, 308120853, 718948657, 2156845971]

約数ペア:

[(1, 2156845971), (3, 718948657), (7, 308120853), (19, 113518209), (21, 102706951), (29, 74373999), (53, 40695207), (57, 37839403), (87, 24791333), (133, 16216887), (159, 13565069), (203, 10624857), (371, 5813601), (399, 5405629), (551, 3914421), (609, 3541619), (1007, 2141853), (1113, 1937867), (1537, 1403283), (1653, 1304807), (3021, 713951), (3517, 613263), (3857, 559203), (4611, 467761), (7049, 305979), (10551, 204421), (10759, 200469), (11571, 186401), (21147, 101993), (24619, 87609), (29203, 73857), (32277, 66823)]