21349370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8243}}^1$

素因数の和:8294

約数の個数: 32

約数和(自身を含む): 45111168

約数和(自身を除く): 23761798

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8243, 16486, 41215, 57701, 82430, 115402, 288505, 304991, 577010, 609982, 1524955, 2134937, 3049910, 4269874, 10674685, 21349370]

約数ペア:

[(1, 21349370), (2, 10674685), (5, 4269874), (7, 3049910), (10, 2134937), (14, 1524955), (35, 609982), (37, 577010), (70, 304991), (74, 288505), (185, 115402), (259, 82430), (370, 57701), (518, 41215), (1295, 16486), (2590, 8243)]