21372126

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{27191}}^1$

素因数の和:27327

約数の個数: 16

約数和(自身を含む): 43072128

約数和(自身を除く): 21700002

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 27191, 54382, 81573, 163146, 3562021, 7124042, 10686063, 21372126]

約数ペア:

[(1, 21372126), (2, 10686063), (3, 7124042), (6, 3562021), (131, 163146), (262, 81573), (393, 54382), (786, 27191)]