21513476

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 17677564

約数列:

[1, 2, 4, 29, 58, 116, 191, 382, 764, 971, 1942, 3884, 5539, 11078, 22156, 28159, 56318, 112636, 185461, 370922, 741844, 5378369, 10756738, 21513476]

約数ペア:

[(1, 21513476), (2, 10756738), (4, 5378369), (29, 741844), (58, 370922), (116, 185461), (191, 112636), (382, 56318), (764, 28159), (971, 22156), (1942, 11078), (3884, 5539)]