21070670

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18120370

約数列:

[1, 2, 5, 10, 59, 71, 118, 142, 295, 355, 503, 590, 710, 1006, 2515, 4189, 5030, 8378, 20945, 29677, 35713, 41890, 59354, 71426, 148385, 178565, 296770, 357130, 2107067, 4214134, 10535335, 21070670]

約数ペア:

[(1, 21070670), (2, 10535335), (5, 4214134), (10, 2107067), (59, 357130), (71, 296770), (118, 178565), (142, 148385), (295, 71426), (355, 59354), (503, 41890), (590, 35713), (710, 29677), (1006, 20945), (2515, 8378), (4189, 5030)]