21184711521

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{118211}}^1$

素因数の和:118333

約数の個数: 32

約数和(自身を含む): 30504370176

約数和(自身を除く): 9319658655

約数列:

[1, 3, 31, 41, 47, 93, 123, 141, 1271, 1457, 1927, 3813, 4371, 5781, 59737, 118211, 179211, 354633, 3664541, 4846651, 5555917, 10993623, 14539953, 16667751, 150246181, 172233427, 227792597, 450738543, 516700281, 683377791, 7061570507, 21184711521]

約数ペア:

[(1, 21184711521), (3, 7061570507), (31, 683377791), (41, 516700281), (47, 450738543), (93, 227792597), (123, 172233427), (141, 150246181), (1271, 16667751), (1457, 14539953), (1927, 10993623), (3813, 5555917), (4371, 4846651), (5781, 3664541), (59737, 354633), (118211, 179211)]