21323960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{76157}}^1$

素因数の和:76175

約数の個数: 32

約数和(自身を含む): 54833760

約数和(自身を除く): 33509800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 76157, 152314, 304628, 380785, 533099, 609256, 761570, 1066198, 1523140, 2132396, 2665495, 3046280, 4264792, 5330990, 10661980, 21323960]

約数ペア:

[(1, 21323960), (2, 10661980), (4, 5330990), (5, 4264792), (7, 3046280), (8, 2665495), (10, 2132396), (14, 1523140), (20, 1066198), (28, 761570), (35, 609256), (40, 533099), (56, 380785), (70, 304628), (140, 152314), (280, 76157)]