21451612

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8419}}^1$

素因数の和:8450

約数の個数: 36

約数和(自身を含む): 47034120

約数和(自身を除く): 25582508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8419, 16838, 33676, 58933, 109447, 117866, 218894, 235732, 412531, 437788, 766129, 825062, 1532258, 1650124, 3064516, 5362903, 10725806, 21451612]

約数ペア:

[(1, 21451612), (2, 10725806), (4, 5362903), (7, 3064516), (13, 1650124), (14, 1532258), (26, 825062), (28, 766129), (49, 437788), (52, 412531), (91, 235732), (98, 218894), (182, 117866), (196, 109447), (364, 58933), (637, 33676), (1274, 16838), (2548, 8419)]