21185646

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9781}}^1$

素因数の和:9824

約数の個数: 24

約数和(自身を含む): 44723304

約数和(自身を除く): 23537658

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9781, 19562, 29343, 58686, 185839, 371678, 557517, 1115034, 3530941, 7061882, 10592823, 21185646]

約数ペア:

[(1, 21185646), (2, 10592823), (3, 7061882), (6, 3530941), (19, 1115034), (38, 557517), (57, 371678), (114, 185839), (361, 58686), (722, 29343), (1083, 19562), (2166, 9781)]