21360496

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4751}}^1$

素因数の和:5040

約数の個数: 20

約数和(自身を含む): 41541984

約数和(自身を除く): 20181488

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 4751, 9502, 19004, 38008, 76016, 1335031, 2670062, 5340124, 10680248, 21360496]

約数ペア:

[(1, 21360496), (2, 10680248), (4, 5340124), (8, 2670062), (16, 1335031), (281, 76016), (562, 38008), (1124, 19004), (2248, 9502), (4496, 4751)]