21379632

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2837}}^1$

素因数の和:3005

約数の個数: 40

約数和(自身を含む): 55602096

約数和(自身を除く): 34222464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2837, 3768, 5674, 7536, 8511, 11348, 17022, 22696, 34044, 45392, 68088, 136176, 445409, 890818, 1336227, 1781636, 2672454, 3563272, 5344908, 7126544, 10689816, 21379632]

約数ペア:

[(1, 21379632), (2, 10689816), (3, 7126544), (4, 5344908), (6, 3563272), (8, 2672454), (12, 1781636), (16, 1336227), (24, 890818), (48, 445409), (157, 136176), (314, 68088), (471, 45392), (628, 34044), (942, 22696), (1256, 17022), (1884, 11348), (2512, 8511), (2837, 7536), (3768, 5674)]