21392238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10837}}^1$

素因数の和:10896

約数の個数: 32

約数和(自身を含む): 49941504

約数和(自身を除く): 28549266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10837, 21674, 32511, 65022, 75859, 151718, 227577, 455154, 509339, 1018678, 1528017, 3056034, 3565373, 7130746, 10696119, 21392238]

約数ペア:

[(1, 21392238), (2, 10696119), (3, 7130746), (6, 3565373), (7, 3056034), (14, 1528017), (21, 1018678), (42, 509339), (47, 455154), (94, 227577), (141, 151718), (282, 75859), (329, 65022), (658, 32511), (987, 21674), (1974, 10837)]