21556010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1051}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 44537472

約数和(自身を除く): 22981462

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 1051, 1465, 2051, 2102, 2930, 4102, 5255, 7357, 10255, 10510, 14714, 20510, 36785, 73570, 307943, 615886, 1539715, 2155601, 3079430, 4311202, 10778005, 21556010]

約数ペア:

[(1, 21556010), (2, 10778005), (5, 4311202), (7, 3079430), (10, 2155601), (14, 1539715), (35, 615886), (70, 307943), (293, 73570), (586, 36785), (1051, 20510), (1465, 14714), (2051, 10510), (2102, 10255), (2930, 7357), (4102, 5255)]