2100054515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{8059}}^1$

素因数の和:8307

約数の個数: 32

約数和(自身を含む): 2870649600

約数和(自身を除く): 770595085

約数列:

[1, 5, 13, 19, 65, 95, 211, 247, 1055, 1235, 2743, 4009, 8059, 13715, 20045, 40295, 52117, 104767, 153121, 260585, 523835, 765605, 1700449, 1990573, 8502245, 9952865, 22105837, 32308531, 110529185, 161542655, 420010903, 2100054515]

約数ペア:

[(1, 2100054515), (5, 420010903), (13, 161542655), (19, 110529185), (65, 32308531), (95, 22105837), (211, 9952865), (247, 8502245), (1055, 1990573), (1235, 1700449), (2743, 765605), (4009, 523835), (8059, 260585), (13715, 153121), (20045, 104767), (40295, 52117)]