21148845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14793555

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1039, 1357, 3117, 4071, 5195, 6785, 15585, 20355, 23897, 61301, 71691, 119485, 183903, 306505, 358455, 919515, 1409923, 4229769, 7049615, 21148845]

約数ペア:

[(1, 21148845), (3, 7049615), (5, 4229769), (15, 1409923), (23, 919515), (59, 358455), (69, 306505), (115, 183903), (177, 119485), (295, 71691), (345, 61301), (885, 23897), (1039, 20355), (1357, 15585), (3117, 6785), (4071, 5195)]