15953421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21019}}^1$

素因数の和:21056

約数の個数: 16

約数和(自身を含む): 24215040

約数和(自身を除く): 8261619

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 21019, 63057, 231209, 483437, 693627, 1450311, 5317807, 15953421]

約数ペア:

[(1, 15953421), (3, 5317807), (11, 1450311), (23, 693627), (33, 483437), (69, 231209), (253, 63057), (759, 21019)]