21320110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4993}}^1$

素因数の和:5068

約数の個数: 32

約数和(自身を含む): 44586432

約数和(自身を除く): 23266322

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4993, 9986, 24965, 34951, 49930, 69902, 174755, 304573, 349510, 609146, 1522865, 2132011, 3045730, 4264022, 10660055, 21320110]

約数ペア:

[(1, 21320110), (2, 10660055), (5, 4264022), (7, 3045730), (10, 2132011), (14, 1522865), (35, 609146), (61, 349510), (70, 304573), (122, 174755), (305, 69902), (427, 49930), (610, 34951), (854, 24965), (2135, 9986), (4270, 4993)]