21187284

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 30523116

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 107, 116, 174, 214, 321, 348, 428, 569, 642, 1138, 1284, 1707, 2276, 3103, 3414, 6206, 6828, 9309, 12412, 16501, 18618, 33002, 37236, 49503, 60883, 66004, 99006, 121766, 182649, 198012, 243532, 365298, 730596, 1765607, 3531214, 5296821, 7062428, 10593642, 21187284]

約数ペア:

[(1, 21187284), (2, 10593642), (3, 7062428), (4, 5296821), (6, 3531214), (12, 1765607), (29, 730596), (58, 365298), (87, 243532), (107, 198012), (116, 182649), (174, 121766), (214, 99006), (321, 66004), (348, 60883), (428, 49503), (569, 37236), (642, 33002), (1138, 18618), (1284, 16501), (1707, 12412), (2276, 9309), (3103, 6828), (3414, 6206)]