21593656

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5431}}^1$

素因数の和:5515

約数の個数: 32

約数和(自身を含む): 46932480

約数和(自身を除く): 25338824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5431, 10862, 21724, 38017, 43448, 76034, 152068, 304136, 385601, 771202, 1542404, 2699207, 3084808, 5398414, 10796828, 21593656]

約数ペア:

[(1, 21593656), (2, 10796828), (4, 5398414), (7, 3084808), (8, 2699207), (14, 1542404), (28, 771202), (56, 385601), (71, 304136), (142, 152068), (284, 76034), (497, 43448), (568, 38017), (994, 21724), (1988, 10862), (3976, 5431)]