21644187

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1181}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 29786400

約数和(自身を除く): 8142213

約数列:

[1, 3, 41, 123, 149, 447, 1181, 3543, 6109, 18327, 48421, 145263, 175969, 527907, 7214729, 21644187]

約数ペア:

[(1, 21644187), (3, 7214729), (41, 527907), (123, 175969), (149, 145263), (447, 48421), (1181, 18327), (3543, 6109)]