2106555220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1367893}}^1$

素因数の和:1367920

約数の個数: 48

約数和(自身を含む): 5515348608

約数和(自身を除く): 3408793388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1367893, 2735786, 5471572, 6839465, 9575251, 13678930, 15046823, 19150502, 27357860, 30093646, 38301004, 47876255, 60187292, 75234115, 95752510, 105327761, 150468230, 191505020, 210655522, 300936460, 421311044, 526638805, 1053277610, 2106555220]

約数ペア:

[(1, 2106555220), (2, 1053277610), (4, 526638805), (5, 421311044), (7, 300936460), (10, 210655522), (11, 191505020), (14, 150468230), (20, 105327761), (22, 95752510), (28, 75234115), (35, 60187292), (44, 47876255), (55, 38301004), (70, 30093646), (77, 27357860), (110, 19150502), (140, 15046823), (154, 13678930), (220, 9575251), (308, 6839465), (385, 5471572), (770, 2735786), (1540, 1367893)]