2100020272

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353777}}^1$

素因数の和:353845

約数の個数: 40

約数和(自身を含む): 4737794976

約数和(自身を除く): 2637774704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 353777, 707554, 1415108, 2476439, 2830216, 4952878, 5660432, 9905756, 18750181, 19811512, 37500362, 39623024, 75000724, 131251267, 150001448, 262502534, 300002896, 525005068, 1050010136, 2100020272]

約数ペア:

[(1, 2100020272), (2, 1050010136), (4, 525005068), (7, 300002896), (8, 262502534), (14, 150001448), (16, 131251267), (28, 75000724), (53, 39623024), (56, 37500362), (106, 19811512), (112, 18750181), (212, 9905756), (371, 5660432), (424, 4952878), (742, 2830216), (848, 2476439), (1484, 1415108), (2968, 707554), (5936, 353777)]