21103742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15287938

約数列:

[1, 2, 11, 22, 23, 46, 179, 233, 253, 358, 466, 506, 1969, 2563, 3938, 4117, 5126, 5359, 8234, 10718, 41707, 45287, 58949, 83414, 90574, 117898, 458777, 917554, 959261, 1918522, 10551871, 21103742]

約数ペア:

[(1, 21103742), (2, 10551871), (11, 1918522), (22, 959261), (23, 917554), (46, 458777), (179, 117898), (233, 90574), (253, 83414), (358, 58949), (466, 45287), (506, 41707), (1969, 10718), (2563, 8234), (3938, 5359), (4117, 5126)]